And finally! I have reached 3.0 score after days and days of working on it, what I did? Check the things below:

>>>  log in everyday to avail the +7 buzz direct powerups

>>>  post two or more videos everyday

>>>  post two or more blogs everyday

>>>  post two or more photos everyday

>>>  post five or more microblogs everyday

>>>  click the fb invite button if available to avail the +1 buzz

>>>  purchase something from the shop to avail of the buzz score additional

>>>  buzz and comment on interesting posts from my connections

>>>  share other users' interesting posts which can be movies, blogs, microblogs and photo gallery to social networking sites

>>>  the key to it is consistency, it should be done daily

 

Good luck and God bless!