TCP does what it's designed for: Reliable, ordered, stream connection with fixed end-points. UDP is the other extreme of this permutation. Wonder why no one explores the spectrum in between?
The app basically goes around the facebook EdgeRank algo and finds trending stories -- as opposed to only showing the stories from friends with whom you have a good edgeRank.
Do you know that around 50% of your friends' updates are never seen by you? Why: Stories are buried deep in your newsfeed; facebook also only shows stories of the friends who regularly interact with you on facebook. Additback digs deep in your newsfeed to find the most interesting stories
No more endless scrolling of your newsfeed to find interesting post by your friends. Get a ranked list of trending stories every couple of hours