David Sacks, co-founder of the social-networking vendor, announces departure on Twitter.
Director David Yates is in talks to take on the Harry Potter spinoff "Fantastic Beasts and Where to Find Them" by author J.K. Rowling.
David Huerta says it's a reminder that the rules of math "are more powerful than the rules of even the most powerful states."
Secret-keeper-in-chief David Byttow talks about why people love the app, why the definition of "secret" changes on the Internet, and whether people are jerks.
In an animated chat with MIT Media Lab's David Rose, the "Daily Show" host wonders about the Internet of Things and whether it's a good thing.
David Helgason, head of Unity, discusses his company's efforts to become the top software coding tool for video game consoles, mobile and VR.
Today's throwback features an early interview with Tumblr CEO David Karp.
Author David Mitchell has released a new short story called "The Right Sort" piecemeal, less than 140 characters at a time.
"Star Wars: Return of the Jedi" would have been a lot different had David Lynch accepted George Lucas' invitation to direct it.
Watch this beautiful cover of David Bowie's "Space Oddity" by International Space Station Commander Chris Hadfield before it's too late.