There are some proposed odd scenarios in the article, like "What about a banner ad that promotes an anti-candidate Web site such as NotHillary.com or gwbush.com? Would those ads be deemed 'positive' (for the site) or 'negative' (against the candidate)?" Yeah, well, who cares? Besides, just to add some confusion into the mix, if those ads are considered libelous by someone in Britain, can they sue Yahoo?