Does web2.0 sites help in ranking? I am looking to create Web 2.0 sites first time, however I have few questions. Can I able to post later blog entries with different keywords? or do I need to create more accounts for each keyword? I mean my blog might been technology and may use first time for technology word and later wan tfor hard drives computers etc. I did a search in Google and bhw forums but didnt get the correct answer.