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Mobile Minutes: Uber displaces homeless; Silicon Valley in politics; Twitter's exec exile; Facebook's media problem

Scoop: Security guards working at Uber's San Francisco facility for self-driving cars dismantle a nearby tent city, according to homeless people who were displaced.

The industry had a monumental 2016, but now it has to deal with the Trump disruption.

This week Twitter lost two more ofits senior executives ? chief technology officer Adam Messinger and VP of product Josh McFarland ? and a note published by investment bank Cantor Fitzgerald says they could have been involuntary as part of a management restructuring by CEO Jack Dorsey. Read more at Business Insider

SAN FRANCISCO ? Is Facebook a media company or a technology company?