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Diigo is a powerful research tool and a knowledge-sharing community

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

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

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Ariba provides software solutions for spend management, contract management, supplier management, working capital management, and procurement management

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

Website promotion company specializing in cross-border (international)internet marketing and SEO. Offices in Calgary, Alberta, Canada and Las Vegas. Free ranking report, SEO tools

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 ...