Overlay.tv has a new site geared towards developers. One of its first results is a YouTube uploader that lets you add overlays on top of your videos.
Watch a live video of Webware editor Rafe Needleman moderating the pitches of 11 social-media start-ups. Judges include Kara Swisher and Robert Scoble.
See the CEOs sweat!
Some of these products look good, but are they good for anything?