Inside the nearly 8-year-long feud between Elon Musk and Mark Zuckerberg

• There's no love lost between Elon Musk and Mark Zuckerberg. 
• The CEOs have been feuding since 2016, when a SpaceX explosion destroyed a Facebook satellite.
• Here's a history of their feud.

For nearly eight years, two of tech's biggest names — Elon Musk and Mark Zuckerberg — have been caught up in a feud, clashing over topics like artificial intelligence and rockets.

The two men have griped about each other behind closed doors for years. But the tech moguls haven't exactly kept their rivalry a secret from the public, either.