The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to devel...

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

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...

The world?s largest online music catalogue, powered by your scrobbles. Internet radio, videos, photos, stats, charts, biographies and concerts.

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.

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...

Recumbent and Human Powered Vehicle Information Center

PRTR:Learn is an interactive site that has the main objective of sharing insights, information, knowledge and resources on Pollutant Release and Trans...