person submited my site to wikipedia and this all over it ......not spam but in relevant categories .... that is good I only submited to one category and now i am getting visitors from all ove wikipedia.... it is my second referral right after google .... so if you have site relevant to some wikipedia category submit it
Bear in mind they track all changes made by IP address. If you want to spam it you need to use a proxy........ It does give a good amount of traffic though.