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

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 ...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

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

Pinterest is where you go to discover new things and collect stuff you love. If you find something online you want to build, cook, buy or do, just Pin It to your board on Pinterest!

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.

LibraryThing catalogs your books online, easily, quickly and for free.