2016bestnine - Your best nine Instagram pics from 2016
Resurrect Pages - Dead pages, broken links, the scourge of the internet.
Timehop - Your digital life history
Wayback Machine - Browse through over 150 billion web pages archived from 1996 to a few months ago.
Likecreeper - Randomly hit like on a friend's horrifyingly old Instagram
Cached View - CachedView claimed to be the provider of Google caches pages of any website at the moment listed in the index of the Google search engine.