Silicon Valley, Twitter, Congressional Facebook Outreach, Bruce Springsteen, Sleep - Five Things - Issue #267

What Mark Zuckerberg, Jack Dorsey, and Elon Musk can learn from their predecessors—before they destroy the world.

The viciousness, toxic partisan anger and intellectual dishonesty are at all-time highs.

Democratic legislators' opposition to political adversaries on Facebook spiked after Trump's election, while "angry" reactions to posts by members of Cong…