While Falck’s work is less visible to users than Beykpour’s, he has been mentioned in articles regarding Twitter’s changes in how it serves advertising and reports that the company is looking into subscriptions to minimize its reliance on ad revenue. It’s also worth noting that Casey Newton stated that Beykpour and Instagram chief Adam Mosseri met in Falck’s backyard as part of the process of Instagram eventually providing image previews for its links on Twitter.
