Anybody has experience in marketing a self-published book?

Anybody has experience in marketing a self-published book?

I know I can upload the book via kindle, but how do you do the initial marketing?

Its not like one can just upload on kindle and expect to be read.

How does it work then?

What will you post on twitter or fb everyday.
Its not like you can tweet update info about the book, like you do with blogs.
With a blog, we can post a link to the new blog post whenever we write one, one or two every week.
But novels take months to write.

So...

Anybody has experience in marketing a self-published book? WordPress ...