Twitter Co-Founder Biz Stone Launching A Mobile Startup, "Jelly"

Here’s what we know about it right now.

Sources told AllThings D that Biz has already hired four or five employees to form a team on the mystery product, and that it will likely be a mobile-focused venture.

Right now, in his post-Twitter life, Biz is also running, along with another Twitter co-founder Ev Williams, an incubator called Obvious. The company has startups such as Lift, Branch, and Medium in its portfolio.

And,