HEATKEYS

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

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

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

IDEAS is a central index of economics and finance research, including working papers, articles and software code

Prezi is the zooming presentation editor

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

PLoS ONE: an inclusive, peer-reviewed, open-access resource from the PUBLIC LIBRARY OF SCIENCE. Reports of well-performed scientific studies from all disciplines freely available to the whole world.

Data Analysis and Statistical Software for Professionals

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

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

News, info e approfondimenti