Sarah Perez / TechCrunch:
Bluesky has 20M+ users after hitting 15M on Nov. 13; Appfigures: it's been #1 in US App Store since Nov. 13; Similarweb: its DAU gap with Threads is narrowing — Bluesky, the social network and X competitor has been benefiting from a surge of departures from the Elon Musk-owned app formerly known as Twitter.