I use Khan Academy so much they're throwing me into some wild A/B tests. Quality of life has shot up since joining the confetti cohortpic.twitter.com/DRAcHoKqod
6:53 PM - 7 Aug 2017
0 replies
0 retweets
7 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.