Arriving in Silicon Valley in 2013, Sameh Khalatbari was greeted by a torrent of social media. She was "friended" and "liked" by people she'd never met. Even those she got to know were more inclined ...

There were three important deaths recently: Ted Kaczynski, Silvio Berlusconi, Cormac McCarthy. A strange assortment of characters — the murderer who imagined himself a philosopher, the louche tycoon ...