Goodreads - See what your friends are reading.
Wibbitz - Watch video summaries of the news you want.
LibraryThing - A home for your books.
GIFit! - Quickly turn YouTube videos into GIFs (chrome extension)
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Youtube Plus - Home of the extension YouTube Plus that allows you to experience more on YouTube - ParticleCore/Particle