Sarver was at Twitter for four years, and now leaves with no plans "but rest." Twitter has already posted a job listing as it searches for his replacement.
Jacob Bijani, who was the blogging platform's fifth employee, quits after five years of service.
Josh Wiseman, a longtime Facebooker, said he wants to work on a "more tangible social problem."
The original version of this story misidentified the director of "Ender's Game." His name is Gavin Hood.
David Petrarca wants people to know that he's "completely and utterly against" illegally downloading his show.
Game of Thrones director David Petrarca has said that the hit show hasn't been hurt by piracy at all; in fact, it may have helped.
Looper director Rian Johnson has recorded a commentary for his time-travelling movie jaunt.
Blake Ross, the famed co-creator of the Mozilla Firefox browser, is saying goodbye to the social network after six years.
Adobe has angered some developers by taking a 10 per cent slice of revenue made on iOS apps published using its Director 12 software.
Reports from Hollywood suggest J.J. Abrams may direct the forthcoming 'Star Wars' film. He's already got the next 'Star Trek' coming out this fall. This is like crossing the sci-fi streams.