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

foursquare

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.

Academia.edu helps academics follow the latest research.

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and th...

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...