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Quantcast is a new breed of measurement service helping buyers and sellers quantify the characteristics of digital audiences against which they can ac...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

Find what you want in a library near you with WorldCat, a global catalog of library collections.

McAfee SiteAdvisor software is a free browser plug-in that provides simple Web site safety ratings and a Secure Search box so you can surf, search and...

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 fr...

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

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