The New York Times reports that Elon Musk is now accompanied at all times by a private army of security professionals [shared here] far beyond what other billionaires employ [New York Times; archive.org]. He leads a paranoid half-life and tweeted 159 times yesterday.

Mr. Musk, 53, has long cultivated a devil-may-care persona, traveling the world, hanging out with moguls, world leaders and celebrities, and smoking weed in public. But in private, he has increasingly barricaded himself behind a growing phalanx of armed bodyguards as he has become more wealthy, more famous and more outspoken — and as the threats against him have evolved.

[Inside Elon Musk’s Mushrooming Security Apparatus, NY TIMES]