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.

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...

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

Snapguide is a free iOS app and web service for passionate, creative people and DIY enthusiasts. Share and discover beautiful, step-by-step how to gui...

Academia.edu helps academics follow the latest research.

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...