Um, actually that's wordpress.com inserting those adverts, not google. They've been doing since for over a year now. If you're logged in (or I believe have a previous cookie in your browser), you don't see them.
http://wordpress.com/blog/2006/09/06/on-ads/ -> See the second paragraph
Among dozens of threads here in the forums but I don't feel like digging for them this morning.
By the way, your post here is a bit spammy. There's a couple of threads in the Off Topic subforum where you can post about your posts. This really isn't a Support issue.