This is a really cool idea! Especially, if you have justin.tv sponsor an event, and get the majority of users to download the app and start broadcasting. The

This is a really cool idea! Especially, if you have justin.tv sponsor an event, and get the majority of users to download the app and start broadcasting. The app should be able to send approx. GPS position, and the server can create an event "channel" with all the related streams (based on GPS). App should have a location-disable option too.