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 ...

Home page of the United States House of Representatives

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

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

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

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

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

allows instructors to host data prediction competitions for their students. Competitions are a great way to engage students, giving them the opportunity to put into practice what they learn in class

Vozes Globais (Global Voices) é uma rede internacional de blogueiros que traduzem, reportam e defendem blogs e mídia cidadã de todo o mundo.