Are there any analagous "implied agreements" that lend weight to your opinion, or are we breaking new ground with this? And as a counterpoint, I would suggest

Are there any analagous "implied agreements" that lend weight to your opinion, or are we breaking new ground with this? And as a counterpoint, I would suggest that the "implied agreement" respects the user to whom ads are being served. Sites like gawker, huffington, techcrunch who attempt to sell my behavior to 6-10 ad networks are stepping over that line.