Financing vlogs

Rocketboom is certainly one of the most popular video blogs (vlog) right now. Because of this, the producers (a small team of 2 I think…) were able to sell five 15 seconds ads for $40.000… all that through EBay (search for item number 5661816188 on EBay to see the details). Will this be a new trend in advertising? Rocketboom is seen by over 100.000 people daily.
 
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I got aware of that yesterday (2 weeks late!) while testing the Democracy player with recent Rocketboom shows.