I'd like to know more about web 2.0 and above all its relationship with viral advertising. can you help me?

I will thank you for any help such as links, books or anything

I'd like to know more about web 2.0 and above all its relationship with viral advertising. can you help me?
The core of web 2.0 is the interactivity between service and visitor. The ability to influence the site in use (Like this one) is critical.





Viral advertising is still unpredictable. That's part of its charm, of course, but we're still learning its operands. Go try and learn and share your findings with the rest of us. That's web 2.0 in action.