We have quick profiles of two companies that launched at the TechCrunch40 conference last week. Metaplace lets users build their own virtual worlds and put them on their Websites. Founder Raph Koster takes us through a demo. And Musicshake is a Korea-based service that lets users create ...

So you didn’t make it to the TechCrunch 40 conference, where Mint.com won the honors as the top start-up? Fear not, the Mercury News sat down with Aaron Patzer, the founder of Mint, for a quick demo of how the online money management tool works.

Online speed dating? Indeed. And WooMe, a San Francisco start-up, is hoping it’s big business. The company launched at the TechCrunch40 conference this week, along with Orgoo, a service that lets users merge all their email and IM accounts into one dashboard. In this video, WooMe’s Stephen ...

The San Jose Mercury News spent a day at the TechCrunch40 conference talking to companies and getting demos of new products. This interview, with Flock CEO Shawn Hardin, is one of several videos we’re publishing from the conference. Tech-watchers will remember two years ago when Flock was being ...