Luis Daniel Fonseca
@luisdafonseca_
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Builder and designer | Engineering Manager at AMEX - ex @intel | 🇻🇪🇺🇸
Miami, FL
Joined January 2011
Billionaire goals
I worked at Epic Games for two years. This is real, and the strategy behind it is smarter than most people realize. Tim Sweeney has spent nearly two decades buying North Carolina forest land. 50,000+ acres across 15 counties. He’s now one of the largest private landowners in the
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Thankfully, Epstein had Gmail. If he used Outlook we wouldn't have found any of these
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Apple's Xcode now has direct integration with the Claude Agent SDK, giving developers the full functionality of Claude Code for building on Apple platforms, from iPhone to Mac to Apple Vision Pro. Read more:
anthropic.com
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
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Vibe coding is the new product management. Training and tuning models is the new coding.
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Been saying this for a while. Probably why Codex and Claude works noticeably better for me than for some people I know.
I think people are sleeping a bit on how much Ruby on Rails + Claude Code is a *crazy unlock* - I mean Rails was designed for people who love syntactic sugar, and LLMs are sugar fiends.
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TIL: Docusing is a beast
Actually found a reasonable explainer on Reddit why Docusign needs 7,000 employees: ▫️”Lets say most people use the product 5 times a year, but 1% of people sign something with it 10 times a day. US alone, that's 5*250m + 10*365*2.5m. About 10 billion in the US.” ▫️Assume US is
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The people who are against the Maduro raid are the same people who use the term LatinX. That's all you need to know.
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Venezuelans are thrilled with what happened to Maduro. Our only concern is those still in power—especially Diosdado. If they don’t leave, nothing will change. Based on what Trump and Rubio said, this seems to be part of the plan. Hopefully it works 🙏
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This is why María Corina Machado deserves the 2025 Nobel Peace Prize. Challenging a brutal authoritarian narco-regime for liberty is nearly impossible -- you risk your life and the lives of your loved ones. Yet, knowing the dangers, she chose to fight for democracy. Many have
In the past year, #NobelPeacePrize laureate Maria Corina Machado has been forced to live in hiding. Despite serious threats against her life she has remained in the country, a choice that has inspired millions of people. When authoritarians seize power, it is crucial to
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Reminds me of social media execs who keep their kids offline 🚩 🚩🚩
This dude lives in isolation, reportedly has no cell phone, a 24/7 security detail and even had white-noise devices installed on his office windows to block laser based eavesdropping. He's also the CEO of one of the most invasive surveillance companies in the US? Irony much?
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I don’t remember the last time I felt bored. There’s too much to read, watch, learn, and build.
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Introducing AgentKit—build, deploy, and optimize agentic workflows. 💬 ChatKit: Embeddable, customizable chat UI 👷 Agent Builder: WYSIWYG workflow creator 🛤️ Guardrails: Safety screening for inputs/outputs ⚖️ Evals: Datasets, trace grading, auto-prompt optimization
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