This week @packlesshepherd and I released our latest paper. We use high frequency gps pings from 17 mil cellphones to study whether the launch of an innovative smartphone app in Ukraine helped civilians evade Russian military operations: Does it work? 🧵

RT @dany_bahar: Excited to share some professional news with you all this morning!. Looking forward to joining @CGDev, and it’s all star te….

Simon understood the assignment.

RT @billybinion: After lengthy legal fights, some victims got their stuff back. I waited outside the courthouse the day one couple picked u….

RT @joanacmmonteiro: Voltando hoje para o Rio depois de passar o trimestre na @UChicago. Passei esse período estudando sobre grupos crimina….

RT @joanacmmonteiro: Chicago area has nowadays an incredible number of amazing scholars that study crime, violence and conflict. Thank you….

RT @MIT_SSP: We’re excited to welcome Chris Blair (@Chris_W_Blair) for a Wednesday Seminar on December 6. He will ask: How does mass refu….

RT @ethanbdm: I talked about AI and elections with @galendruke from @FiveThirtyEight. It was fun.

The most frustrating thing about @ChatGPTapp 4 is wild inconsistency in conducting basic tasks like converting txt to beamer slides. One day, it makes beautiful slides with minimal prompts. Next day, same task, same prompt. it takes 5 or more requests to produce broken content.

For scale…

Let them eat biscuits.

Simon is convinced he was smiling.

RT @felipev84: We're hiring in PE!! @ubcVSE.

And reminders of the road here, literally and figuratively

My shrine to the GOATs:. Chicago’s parking enforcement . Seattle’s beast mode @MoneyLynch

Rosie’s first serious art

While you’re in my office, you might enjoy: . My wall of sneakers

Came back to @HarrisPolicy to find some hardware in my office. Shout out to the amazing co-instructors, TAs, and students.

I’m afraid something has gone terribly wrong

Rise and grind @HarrisPolicy!

RT @alexeymakarin: 🚨PREDOC JOB ALERT🚨 . My colleague Charles Angelucci (@Angelucci_Ch @MITSloan) and I are looking to hire a pre-doctoral f….