HEATKEYS

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.

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

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

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...

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

PrivCo is the source for business and financial research on major privately-held companies, including private market M&A, venture capital, and private equity deals.

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.

Lulu.com lets you make, self-publish, print and sell print-on-demand books, e-books, photo books and calendars with free book publishing.

Architizer is a new way for architects to interact, show their work, and find clients. It is an open community created by architects for architects.

Prezi is the zooming presentation editor