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 ...

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

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

foursquare

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

Oilpro is a professional network built for oil and gas professionals. Re-connect with colleagues, share your expertise, and stay on top of the latest news.

Plan a trip with great travel recommendations from friends and people who travel like you. Collect and share where you

Centro Universitário da Cidade do Rio de Janeiro (UniverCidade) on academia.edu

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

About.me lets you quickly build simple and visually elegant splash pages that points visitors to your content from around the web. Get started today.

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.

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.