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...

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...

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...

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

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

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Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the l...