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

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.

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...

AngelList is a platform for startups

foursquare

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

Crie e publique questionários online em minutos e exiba os resultados em forma gráfica e em tempo real. A SurveyMonkey fornece questionários online...

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...