4 thoughts on “Doppelganger, A New Online Ad Model?”

  1. “This is clearly the new instant messaging,” says Littlefield. “We have some beta users who log on right after school and stay logged on through the wee hours of the morning.”

    Really interesting! Sounds like the next big thing.

    -n @

  2. not able to figure out what would be their method of calculating cost of advertisements…PPC, CPM, Pay Per View …any thing new?

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