So you probably noticed we put up Google Adsense on the blog archive pages a week ago. We want to ensure the ads are relevant to the community. Relevant and applicable ads are a win-win...-win (Office joke). Ads can be benefical to the advertiser, the audience, and the publisher.
If they're not, we'd rather block them. So far we've blocked the following:
Contextual advertising is a bit risky. We don't know what Google will serve us, and we have to rely on their algorithms to pick relevant ads. So if you see something that shouldn't be here, let us know.