Justin.tv: No Advertising Needed, Just A Top-Secret "Transaction System"
The potential of implementing a C2C and C2B transaction system over streaming video (especially live) are pretty incredible.
Concerts, sports, niche live events… Once the system is ironed out you’re adding an extra revenue stream to anything you plan. Build this into a set-top box and you’ve got streaming video’s killer app.
A deal with LiveNation alone would cover costs.