Amir Efrati Profile Banner
Amir Efrati Profile
Amir Efrati

@amir

Followers
36,649
Following
996
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Statuses
21,054

Executive Editor @theinformation . We're hiring. amir @ DM for Signal

San Francisco
Joined February 2010
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@amir
Amir Efrati
7 months
Breaking: Sam Altman not coming back as CEO of OpenAI
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@amir
Amir Efrati
1 year
NEW: Prominent Google AI researcher resigned after warning Alphabet CEO Sundar Pichai and other senior execs that Bard—Google’s rival to ChatGPT—was *using data from ChatGPT*. Big no-no in that world. w/ @jon_victor_
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@amir
Amir Efrati
3 months
Jensen Huang to CEOs: Tell me how much you lov— Every CEO: Done.
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@amir
Amir Efrati
6 years
Just out: The truth about Waymo...
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@amir
Amir Efrati
7 years
F—ing blockbuster bonkers criminal allegations against Uber. This is like reading a spy flick script:
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@amir
Amir Efrati
2 years
New: @fast is shutting down, a dramatic collapse for a 3yo company that raised $120M from @stripe & others, and hired hundreds of employees despite generating barely any revenue from its fast-checkout software. by @Jessicalessin @luxeoflique
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@amir
Amir Efrati
2 years
Apple made Facebook ads appear worthless, but often they weren’t.
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@amir
Amir Efrati
7 months
❗️Almost 700 of 770 OpenAI employees including Sutskever have signed letter demanding Sam and Greg back and reconstituted board with Sam allies on it. That’s…powerful.
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@amir
Amir Efrati
1 year
~Big~ news in AI land— Meta wants to make the next version of LLaMA — its open source LLM —available for commercial use. @SylviaVarnham @jon_victor_
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@amir
Amir Efrati
9 years
#Android OEM profitability by @charlesarthur (). OEMs tell me they're at peace with this. http://t.co/tU4PB5GZAf
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@amir
Amir Efrati
1 year
SCOOP: twtr didn't pay its AWS cloud bills on time ~and~ still has a shortfall of at least $70m per the 5-year contract it signed w/AWS, tried to renegotiate amazon wasn't happy obv by ⁦ @erinkwoo ⁩ ⁦ @Twitter
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@amir
Amir Efrati
5 years
🚀notable startup-funding alert🚀: productivity app maker @NotionHQ just raised $10M at $800M valuation. Only new investor is @danielgross . Lot of funds have been asking to get in on this. We talked to COO @akothari this afternoon...
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@amir
Amir Efrati
1 month
"Her" is coming :) NEW: OpenAI developed a new model with audio-in, audio-out capabilities and better reasoning. Even beats GPT-4 Turbo on some queries. @steph_palazzolo #AI
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@amir
Amir Efrati
1 year
Uh oh— After Google got hammered for trying to use OpenAI data to train Bard, news has emerged that OpenAI secretly used YouTube data to train its models. @jon_victor_
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@amir
Amir Efrati
7 years
Exclusive: Uber algorithm calculated lowest possible comp offer for job candidates, perpetuating gender pay gap
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@amir
Amir Efrati
1 year
Some news: OpenAI has been preparing to release its first open-source language model. Meaning the startup taking a more hybrid approach than we realized. Pressure will rise on Google to follow. by @jon_victor_
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@amir
Amir Efrati
4 months
News: AI coding startup said it made a breakthrough in AI reasoning, not unlike OpenAI's Q*. w/ @steph_palazzolo
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@amir
Amir Efrati
1 year
I can confirm that the Expensify Lounge in downtown SF is one of the most head-turning things I have seen here in the past 10 years.
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@amir
Amir Efrati
23 days
Ok it’s real. Woof. Google has some serious work to do in the coming weeks to clean up its confidence scoring on conversational answers.
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@amir
Amir Efrati
1 year
people call @satyanadella bet on OpenAI a management masterclass. getting the rest of $msft to fall in lockstep behind outsourcing R&D... not simple. Love this top from @aaronpholmes
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@amir
Amir Efrati
1 year
the rumors are true: downtown sf is dead
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@amir
Amir Efrati
7 years
This s--- is hard.
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@amir
Amir Efrati
7 months
Ilya Sutskever has reaffirmed his earlier decision to remove Sam.
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@amir
Amir Efrati
1 year
New: OpenAI losses doubled to $540m last year as revenue quadrupled. CEO Altman has discussed possibility of a $100B capital raise (!) More here: w/ @erinkwoo
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@amir
Amir Efrati
4 months
New: OpenAI developing two types of “AI agents.” You’ll hear a lot about agents this year as they become all the rage.
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@amir
Amir Efrati
10 months
Exclusive: OpenAI is blowing by earlier revenue projections, already passed $1b ARR. Turns out plenty of big companies like LLMs :) w / @aaronpholmes @OpenAI $msft
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@amir
Amir Efrati
4 years
Google’s CEO just said he is unaware of tech theft by China, targeting US cos. He may have forgotten the seminal 2009 Aurora cyberattack from 🇨🇳, allegedly tied to PLA, that Google itself said successfully obtained *Google IP/source code*.
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@amir
Amir Efrati
6 years
Outstanding journalism by @SFWeekly .
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@amir
Amir Efrati
6 years
May seem like a small thing to non-reporters but Facebook loses credibility by issuing a Friday night press release to “front-run” publications that were set to publish negative articles about its platform. If you want us to become more suspicious, mission accomplished.
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@amir
Amir Efrati
4 years
Senior execs/managers at 🚗🛴Uber🚐🍟 say: *"Ride-sharing" aka UberPool doesn't work *Uber less efficient than rival startups in food + scooters/bikes *Autonomous vehicle R&D: 👎 *Uber Cash, Uber Bus: 🦥 *Unit leaders being held accountable?🤷‍♂️🤷‍♀️ $uber
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@amir
Amir Efrati
25 days
whoever did Oracle's due diligence for its $30B acquisition of electronic health records firm Cerner in 2022 did bad, bad job. quite a story. @dodgeblake @ashannstew
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@amir
Amir Efrati
6 years
. @Waymo engineers said today that using neural nets and behavior cloning to do an "end to end" self-driving system probably will not work. () They do not name Tesla but it appears to be an implicit dig at Tesla's approach/long-term philosophy.
@amir
Amir Efrati
6 years
I also learned a lot about how Autopilot works, including the use of “behavior cloning” in path planning and the limitations of “shadow mode” testing on the existing fleet.
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@amir
Amir Efrati
14 days
New: Andreessen Horowitz and other investors / partners in Synapse, the just-collapsed fintech, were aware of recordkeeping discrepancies for years @MichaelRoddan
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@amir
Amir Efrati
2 months
❗️exclusive: Jony Ive & Sam Altman's mysterious AI device company in funding talks w/ Laurene Powell Jobs's firm & OpenAI investor Thrive. it will not look like a phone btw :) more here: @Jessicalessin @KateClarkTweets @coryweinberg
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@amir
Amir Efrati
2 years
A senior DataRobot data scientist resigned last night and sent this note to staff:
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@amir
Amir Efrati
2 years
How crazy was the 2021 private tech bubble? *This* crazy: @KevKubernetes
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@amir
Amir Efrati
1 year
good. lord. the twitter ad business is a bigger disaster that you thought. @sizpatel @erinkwoo
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@amir
Amir Efrati
7 months
🚨OpenAI made a major technical breakthrough before Altman firing and we figured out what it is. Meet Q* (Q star) & the method Ilya Sutskever developed to get over LLM limitations around training data. @jon_victor_
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@amir
Amir Efrati
3 years
Succession Season 3 poster makes sooooo much more sense now.
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@amir
Amir Efrati
1 year
NEW: Silicon Valley Bank CEO just held a call with VC firms where he asked them to stay calm during the “panic” and that the bank is fine—unless everyone tells everyone SVB is in trouble. $sivb
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@amir
Amir Efrati
6 years
@elonmusk How about we set up an interview and you can tell me, among other things, what you think is worth writing about?
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@amir
Amir Efrati
4 years
Vast majority of Uber & Lyft drivers *still* don't want to be employees, prefer being independent contractors, per @TheRideshareGuy . (Presumably because these have been side gigs for them, not primary source of income.)
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@amir
Amir Efrati
5 years
Addendum: Vast majority of Uber employees arrived after Uber's share price reached $48.77, and many of them got RSUs at that price or near it. Current price: $41.60. For many, the bonus awards they received are worth less today than at the time they were granted. #UberIPO
@micah
Micah Baldwin
5 years
The story of $uber IPO isnt the massive amounts made by the founders and investors, but the 1000s of employees that are receiving life changing money for their hard work. They are the future angel investors, founders and philanthropists. They are the story of Silicon Valley.
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@amir
Amir Efrati
1 year
NEW: Trouble in the Musk-verse as his hand-picked leader for anti-woke AI company was arrested last month for domestic violence. by @jon_victor_
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@amir
Amir Efrati
3 years
Ted Lasso is as good as they say it is and is good for the world
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@amir
Amir Efrati
7 months
The new interim OpenAI CEO @eshear , as everyone can see, has said he wants to slow down the pace of AI development to ensure products are made safely. Means he is, as one would expect, aligned with Ilya Sutskever (the master of OpenAI).
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@amir
Amir Efrati
6 years
Ethereum: ~30 transactions per second. Visa: 24,000 transactions per second. “We are in the dial up days.” — @katie_haun of @a16z Architecture hasn’t been built yet to scale up programmable money. #subscribersummit
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@amir
Amir Efrati
7 months
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@amir
Amir Efrati
6 years
honest question: why does twitter allow an account to follow 20k or 50k people? most such accounts aren't actually reviewing the content generated by those people.
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@amir
Amir Efrati
7 years
Big news from @Waymo : failure rate of its autonomous cars in Mountain View dropped by 75% last year despite 50% increase in miles driven.
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@amir
Amir Efrati
7 months
Former twitch chief Emmett Shear taking over as interim CEO
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@amir
Amir Efrati
4 years
Goldman Sachs paid $5M for 14M Uber shares in 2011. Sold those shares for about $420M in past 2 years. And Goldman got some business from Uber (handling fundraisings, SoftBank secondary transaction, though not the IPO lead). Not a bad haul!
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@amir
Amir Efrati
6 years
Post script: good annual reminder to pay attention to @lessin who said long ago that self driving cars "need to be very, very close to perfect before they are valuable at all. There is no 50% credit."
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@amir
Amir Efrati
9 years
Love it when @aamir_khan says controversial things. Shows me what it's like to be Twitter celeb. My notifications:
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@amir
Amir Efrati
6 years
Musk has 29 hours to hit his public goal, a goal that got EVERYONE'S attention in the auto industry. (People still talk about it constantly.) Let's see what he puts up.
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@amir
Amir Efrati
4 years
🚗👮Just in: ex-Google & Uber exec Anthony Levandowski gets 18-month prison sentence for stealing a document from Google's self-driving car program. Judge Alsup had a lot to say about why it was the "biggest trade secret crime" he had seen. More here:
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@amir
Amir Efrati
8 years
Whoa. Gov’t workers use @telegram to keep conversations out of public record. @coryweinberg
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@amir
Amir Efrati
9 years
The @Yahoo building got quite a makeover between Seasons 1 and 2 of @SiliconHBO :) $BABA http://t.co/ga93zC2idd
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@amir
Amir Efrati
1 year
Are Airbnb and Uber a luxury/high cost product? 100% yes. Are they inferior to what existed before? Absolutely not. Are you kidding me?
@ParikPatelCFA
Dr. Parik Patel, BA, CFA, ACCA Esq.
1 year
Airbnb and Uber are the antithesis of technology An inferior product that now costs more than legacy equivalents
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@amir
Amir Efrati
1 year
The CEO of Alphabet/ Google has what you might call a delicate leadership style, which was not an issue during monopoly time. Can it work in a time of crisis? $goog w/ @jon_victor_
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@amir
Amir Efrati
6 years
“The trouble with self-driving cars is people”—specifically, predicting their behavior, Gill Pratt, who is head of Toyota Research Institute, told me recently. Today’s AI doesn’t know that a mother holding a child likely won’t cross the street illegally but two teenagers might.
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@amir
Amir Efrati
7 months
Ilya told staff tonight that kicking out Sam was the “only path” to do AI right at OpenAI. @anissagardizy8 just spoke to Ilya and he did not want to say more, answered her brusquely. More details on the fallout here:
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@amir
Amir Efrati
2 months
New: Mistral seeks $5B valuation just a few months after getting $2B. Funding action at the head of the LLM race continues unabated. by @kateclarktweets
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@amir
Amir Efrati
7 months
Another update: mora than 92% of OpenAI employees say they will join Altman at Microsoft if board doesnt capitulate. Singees include cofounders Karpathy, Schulman, Zaremba. (And Sutskever, who capitulated five hours ago)
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@amir
Amir Efrati
4 years
Per @dkhos , $Uber modeled that if its ride business declined 80% (year over year) for the rest of the year, as a worst case scenario, Uber will still have $4B in cash on Dec. 31. Reason: about 2/3 of its costs, including insurance, don't happen when trips don't happen.
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@amir
Amir Efrati
7 months
NEW: My colleagues got inside the OpenAI situation. Schisms over AI "safety" and the OpenAI charter/mission. Looks like a mirror image of when Anthropic broke off from OpenAI in 2020: @jon_victor_ @steph_palazzolo @anissagardizy8
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@amir
Amir Efrati
6 years
But replicating driving is hard because it’s more complex than you and I ever think about. There’s much we do that’s hard for a robot. And if the robot actually follows the law, that makes things harder because human drivers are rule breakers. [Our article gets into this.]
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@amir
Amir Efrati
5 years
🚘New🚘: ~10% of Tesla Autopilot software team churned in past few months. Heads of perception, path-planning & simulation replaced (not to mention the overall chief of unit). Why? It's hard to adapt highway driving system to streets. $tsla
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@amir
Amir Efrati
4 years
Love this team. Onward!
@Jessicalessin
Jessica Lessin
4 years
The opportunity in tech reporting has never been greater and more important. Which is why I asked @amir to be @theinformation 's new Executive Editor to bring his reporting and sourcing to our broader team. Congrats @amir !
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@amir
Amir Efrati
6 years
You should get everything for free. I'm sure that is how you do things at AWS, that great free service.
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@amir
Amir Efrati
6 years
Wondering if other writers experience this: you write something you think is good in font you like, such as Georgia or Times New Roman. Then you convert to Arial and you realize what you wrote is not good. It was the font all along.
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@amir
Amir Efrati
2 months
A lot of AI startups are consultancies, not software businesses. They all hope to be Palantir, which (successfully) transitioned from one to the other. Few can pull that off. @steph_palazzolo
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@amir
Amir Efrati
9 years
Dear anyone in tech, I know you haven't seen @HaltAMC but please start now. There needs to be a season 3. #SaveHalt http://t.co/fG16KKLkx6
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@amir
Amir Efrati
6 years
...in suburban Phoenix starts here, at a T intersection at East Fairview St. and South 56 St., the closest one to Waymo’s vehicle depot in Chandler. Waymo’s vans sometimes have trouble finding a gap in traffic to turn left, frustrating people who say they get stuck behind them.
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@amir
Amir Efrati
8 years
This is one heckuva Pulitzer cover letter.
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@amir
Amir Efrati
5 years
This is the kind of scruff you grow when you live in an Uber IPO cave for weeks.
@NewsHour
PBS NewsHour
5 years
Despite some negatives, Uber, Lyft and other ride-hailing companies have "really modernized the taxi market," @amir tells @WmBrangham .
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@amir
Amir Efrati
9 years
Not sure how to say this delicately, but for fast coffee/lunch decisions, @foursquare is my new @yelp . Worth another look, folks.
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@amir
Amir Efrati
5 years
Silicon Valley startups run on trust. Among the unwritten rules are that employees & investors get equity if things go well. But what happens when things go *very* well & not everyone plays by those rules? Happens more than you think. Thread 👇
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@amir
Amir Efrati
6 years
My quick tally on “disengagements” (humans taking over to avoid accidents) per 1,000 miles by self-driving car prototypes in California.
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@amir
Amir Efrati
6 years
Here are the 200 people who make Tesla Autopilot (in org chart form), specifics on what the senior managers do, and how they interact with Elon Musk, who is bug-finder-in-chief
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@amir
Amir Efrati
6 years
Where does this leave us? There are times when it seems “autonomy is around the corner,” and the vehicle can go for a day without a human driver intervening, said a person familiar with Waymo. Other days reality sets in because “the edge cases are endless.” Photo not from AZ :)
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@amir
Amir Efrati
6 years
So lower your expectations for truly driverless taxis to get you through the day. We’re still close to the starting line of this long but worthwhile race. If you are interested in the field & what the worldwide leader is going through, check this out:
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@amir
Amir Efrati
7 years
@jack no that was Benchmark v Kalanick
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@amir
Amir Efrati
5 years
🚘🚘 Double parked vehicles: Rough stuff for an AV prototype. Remote assistance drew him a new trajectory. 🚗
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@amir
Amir Efrati
6 years
How many startups announce $10M in revenue or financials of any kind? Some of them freak the f--- out when we tell them we are about to write about their revenue. The reason everyone writes about funding is because startups often don't disclose anything else.
@randfish
Rand Fishkin (follow @randderuiter on Threads)
6 years
Make $10mm. Crickets. Raise $10mm. Everyone writes about you. You get invited to all the hot events. Your network goes crazy with congratulations. This is how we get a culture that trains founders to raise $$ > make $$.
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@amir
Amir Efrati
5 years
NEW: exclusive data on 🚕🚘Waymo🚖🚗 self-driving car performance in Phoenix. We just finished a big reporting effort… (1/6)
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