HEATKEYS

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

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.

Acronym Finder: The Acronym Finder is a searchable database of over 4 million acronyms, abbreviations and meanings. Covers: common acronyms, computers, science, technology, government, telecommunications, and military acronyms.

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

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

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

foursquare

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

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

StudyBlue is your online home to store lecture notes and make flashcards. Study online and on your phone for effective, productive learning. Free.

IDEAS is a central index of economics and finance research, including working papers, articles and software code