The story of how Instagram became the dominant force it is today, told by former staff and insiders and through powerful testimony from users who have been negatively impacted.

With TikTokandapos;s legal future hanging in the balance, Facebook CEO Mark Zuckerberg hasnandapos;t been shy about borrowing what works from the Chinese upstart and replicating it within Instagram. But his copycat feature Reels made more of a …