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

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...

(by Kayla Hillier)

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

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

Research company stock information by sector or industry. Make informed investing decisions with updated stock market analysis and market performance information.

The world?s largest online music catalogue, powered by your scrobbles. Internet radio, videos, photos, stats, charts, biographies and concerts.

WebInformationService is an analytics tool for webpages. Just enter a domain name and receive a free analysis.

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...

New! Lower Prices on Millions of Books, DVDs, Music, Toys & Games and More. Shop for eBooks, NOOK, and textbooks. FREE Shipping on $25 orders!

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

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...

StatsCrop - a web service that lets you explore any website informations and its history, understand your competitor