I'm not usually a fan of the open letter, as it just feels kind of performative to me, but this one is very good. I left Facebook a few months ago and, as this whole political ad thing plays out, I'm happy to file that as one of my better decisions.

Saw this today and it seems like a throughly good idea. Tired of Jet Lag? This App Will Help Reset Your ClockTimeshifter cribs NASA-backed science to help you recalibrate your biorhythms after switching time zones.WIREDCondé Nast [https://www.wired.com/story/timeshifter-jet-lag-app/]