How to Launch a Book?

Launches are just another step in the whole process of building a brand, says Mark Zuckerberg. You have to let people know that it exists and how much easier it's going to make their life. Even if you tweat once, it doesn't mean people are going to see it. And every time you add a tweet to it, a kind of re surfaces for people so they can see original thing tat you ware talking about.