Rap Genius is a rap lyrics encyclopedia that anyone can edit. Discover the meaning of rap...in clickable popups!

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessori...

Twitter is without a doubt the best way to share and discover what is happening right now.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

YouTube is a place to discover, watch, upload and share videos.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

Prezi is the zooming presentation editor

Buy rare and hard to find music on vinyl records and used CDs from thousands of online record stores. Manage your music collection with a detailed dis...

Readcube is a free, simple, academic software and reference manager for researchers. Read Cube helps researchers organize, annotate and stay on top o...