It seems that currently internet advertising is moving into a new phase, called content sensitive advertising. Google is the main contender in this field with its adsense and adwords. In another unrelated area of the net, Open Source is growing very fast, and in the 3rd corner is Peer 2 Peer software (or shared computing). What makes adsense work so well is the amount of people that use it, and the google name behind it makes it better. Think what would happen if a lot of small...