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.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval...

Offers bookmark synchronization, search enhancement and web discovery based on sites bookmarked by users.

Prezi is the zooming presentation editor

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

News for the global aviation industry. Avionics, helicopters, maintenance, light jets, military, commercial, business, airlines, air safety newsletter...

Welcome! This is Martin Roell's Tumblelog. my business my business tumblr ("Purposeful Collaboration") blog diary tumblr se...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections t...