Lately, I have been very weirded out with the targeted ads I have been viewing. I have been doing a lot of searching for guitar related material to create articles for my blog, and I couldn't help but notice all I see is guitar ads. Not just on guitar related sites, either. On MSN messenger, on sites that don't have anything to do with guitar, and of course sites that are related to the subject. I thought targeted ads worked by each page's content, not the general searching/browsing history overall? Or is there just a bigger demand for guitar ads?