By Alex PIGMAN with Thomas URBAIN in New York WASHINGTON, July 6, 2023 (AFP) – Facebook behemoth Meta officially launched Threads, its text-based rival to Twitter, on Wednesday, with more than five million sign-ups in the first few hours — but its release in Europe has been delayed over data privacy concerns. Threads is the biggest challenger yet to Elon Musk-owned Twitter, which has seen a series of potential competitors emerge but not yet replace […]