WEB DIRECTORIES BACKLINKS SECRETS

Hi! Thanks for this fantastic blog firstly. I've a question while, is it all right if I put up adsense advertisements on my World-wide-web 2.0 web sites? Or would that be leaving footprints and provides google the concept I’m attempting to match it?And For a single Keyword, What number of World wide web 2.00 we should always make? I'm sure, It’