Sara FischerIllustration: Maura Losch/AxiosInstagram's X rival, Threads, has seen 35 million new users sign up for the platform since November 1st, Meta spokesperson Andy Stone told Axios.Why it matters: Threads and rival BlueSky are competing to attract disenchanted X users following the 2024 election. Bluesky said last week it now has more than 20 million users. The app's usage grew more than 5x in the two weeks following the election, per Similarweb. By the numbers: On November 14th, Instagra...