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A previously irrelevant X/Twitter alternative is readjusting after its rapid rise to the top (of the free app charts). As of this week, the social platform Bluesky has nearly doubled its users since late October, and its small team of 20 employees has been pulling some all-nighters to keep up, the New York Times reported.

Threads blowing its lead? Though there are only 21+ million accounts on Bluesky (and counting) compared to 275 million on Threads, Bluesky has more active web users than Threads in the US and UK, according to the traffic analyzer Similarweb. Per a recent report:

While political tensions may seem like the main driver, other factors are afoot: On Nov. 15, X started letting third parties use its user data to train AI models. In the five days after that, 5 million users joined Bluesky.