Ev Williams' new startup, Mozi, is a private social network — no public profiles, no follower counts — and is meant to encourage more in-person meet-ups.

“There was a lot going on. There’s not really time in the day to contemplate the much larger implications of what we’re building,” Twitter founder Evan Williams said in the ...

CNN Originals goes inside the creation of a once-radical, groundbreaking tech startup in the new CNN Original Series, ...