This constant stream of new fun activities causes users already on Facebook to invite more and more of their friends, relatives, workmates or just casual acquaintances to register and become part of the flourishing community.

So face up to the big changes that Facebook is bringing to the online marketing world.Anything Microsoft would pay 240 million for just over one and a half percent of has to be a pretty big deal. And because of the Microsoft payout, Facebook has a value estimated…