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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 friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Take free online classes from 115+ top universities and educational organizations. We partner with schools like Stanford, Yale, Princeton, and others to offer courses in dozens of topics, from computer science to teaching and beyond. Whether you are ...

Academia.edu helps academics follow the latest research.

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

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

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

International Scientific Journal & Country Ranking

Journals for Free (J4F) provides a large database of links to free scientific journals available on the web. Journals can be searched using free text and filtered by category, language and presence on other databases.

ÉOS . Clínica de Psicologia de Lisboa

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

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