The Burst Effect. What is it? How do you do it? and What can it do for your app ranking?

Some of you may know the marketing model pioneered by FAAD (Free App a Day). For those of you who don't here's a short summary. FAAD developed an app that markets other apps. They create value for the end user by "convincing" app developers to give away their paid apps for free for one day. During this day they send out a push notification to the FAAD users notifying them that this and this app is now free for 24 hours. The user click on the push notification, which in turn opens the FAAD app…