File this under nice problems to have: Bluesky is growing like gangbusters. But hiding beneath that nice problem is a whole viper pit of nasty ones, as any study of Twitter history will tell you. The Twitter-like social media underdog (or, given its logo, under-butterfly) zipped past the 20 million-user mark last week, with more than a quarter of those users arriving after the U.S. election. An election in which the owner of Twitter/X put his giant thumb on the scale for Donald Trump and made billions of dollars in a single day afterwards—events that led to what we might term an ongoing X-odus. Now leaving Musk’s sinking ship for Bluesky: Taylor Swift stans. More importantly, the new users are highly active, and there’s no sign of the trend abating. According to a live counter built atop Bluesky’s API, the service is nudging the 23 million-user mark, and could cross it by the time U.S. families sit down to their Thanksgiving meals. The growth rate is 4 to 8 new users every second. That could easily climb once crazy Republican uncles everywhere unload on their distraught Democratic kin. SEE ALSO: Leaving X for bluer pastures? What to know about Bluesky’s owners and policies. So what’s the problem? Say it with us now: content moderation. Bluesky doesn’t just have to deal with disinformation coming from fake accounts, taking advantage of its lack of account verification, but also an explosion in child sexual abuse material (CSAM) — from two confirmed cases in…Bluesky has growing pains. Heres what it can learn from X/Twitter