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Free Web tools include firewall test and speed test plus sitemap generator and other online tools for webmasters and home users.

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

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

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research.

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.

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 ...

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Interaction-Design.org is all about making research accessible. We deal with human-centered aspects of technology: Interaction Design, User Experience (UX), Human-Computer Interaction (HCI), Information Architecture (IA), Human Factors, Usability, an...

FreeLists provides free mailing list hosting for technology-related topics

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