One point: people here seem to be assuming they want to sell the ad space on the right hand side of the page. Rather, I suspect that the whole site is an adver

One point: people here seem to be assuming they want to sell the ad space on the right hand side of the page. Rather, I suspect that the whole site is an advertisement for their services. If they're successful, they'll gather huge amounts of google juice (for good reason, with useful links). Further, I suggest that people should view this as good, organic marketing, rather than as some sort of evil practice because their intent is to market. There should be lots more marketing like this.