Hi, I am a novice at web 2.0. I want to ask, if I create 100 to thousands web 2.0 and each of them post a article include 1 back link to my moneywebsite. Will I get penaty or in other word will google know and able to detect ? Beside Blogger, have any another web 2.0 service google own ? Is that safe to post to blogger ? Thank you.