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...

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

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 t...

CrunchBase is the free database of technology companies, people, and investors that anyone can edit.

foursquare

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...