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.

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

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

Exploration of the Planet Mars - missions, videos, images and information

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

TinEye is a reverse image search engine built by Id

Information gateway to Iran and the world.

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers