HEATKEYS

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 friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Study smart flashcards on the web or your iPhone: learn faster with Brainscape.

TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

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

The Global Buildings Performance Network (GBPN) is a globally organised and regionally focused network whose mission is to advance best practice policies that can significantly reduce energy consumption and associated CO2 emissions from buildings.

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Nature - the world

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

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers

Take free online classes from 120+ top universities and educational organizations. We partner with schools like Stanford, Yale, Princeton, and others to offer courses in dozens of topics, from computer science to teaching and beyond. Whether you are ...

The IBM corporate home page, entry point to information about IBM products and services

YellowBridge is a cultural bridge to Chinese culture, with an emphasis on Chinese language tools.

Prezi is the zooming presentation editor