Tony Perkins
EF2
A weather indifferent friend mentioned that he came across it on metafilter.com yesterday. So it's happening already, and it's just a matter of time before it gets posted during an outbreak on one of the major hitting sites.
I can virtually assure you that at some point, probably on a big chase day, your service is going to get noticed by Fark, Digg, or Reddit, which is going to mean around a half million visitors to your service, with at least 20,000 people trying to watch streams at once.