Answering your question "what is social bookmarking and how does it work for SEO" in simplest of possible language which will answer all of the questions attached to this question.
Social bookmarking is very important part of Search Engine optimization
It is the method used by web users to...
Well how is integrating blog part of SMO ?
How is conversion camapign part of SMO ?
Google analytics is also something very different,
Your posts isn't backed by supported content.
Tnx