What kind of site should I make for <insert advertising network here>?

My blog has now move to http://www.tiglo.co.uk/. This post can now be found at http://www.tiglo.co.uk/IT-internet/What-Kind-Of-Site-Should-I-Make-For.html.

Snippet: "A question I often come across is what kind of site to make for <insert advertising network here> (usually Google Adsense or Yahoo Publisher Network).>"