>>PieUse+(OP)
Ads will expand to fill all online spaces. Ads will inevitably come to both, it's just a matter of when they respectively need or decide to capture that profit and when they feel their users are sufficiently dependent so as not to be able to leave.
>>AndyKe+55
The first fundraising banner on wikipedia was in 2003. That is unquestionably an advertisement, and not even an ethical one given the misleading nature of their campaigns these days.