The Federal Trade Commission sued Meta to halt acquisitions of Instagram and WhatsApp, shaping its future.The trial began with Mark Zuckerberg taking the stand and is expected to last several weeks.Issues highlighted in the trial include Zuckerberg's view of Instagram as a threat and the perception of overpaying for it.The trial also touches on Meta seeing TikTok as a threat, Europeans not buying ad-free subscriptions, and various strategic decisions by Zuckerberg.