Maybe 4th time's the charm. The RSS speculation & Vine rip off I am not buying. "Working on a Big Idea?" Copying others? Give me a break. It's not RSS & It's not Instagram Video. Something bigger/a disruptive is in the pipeline.
Home is only 3 months old- not a proven failure, is currently being iterated and improved, jury still out on that one
Graph Search- this is in beta mode, who says this can't be a revenue driver? They haven't even tried yet
Gifts- This one hasn't worked out.