foursquare

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

allAfrica: African news and information for a global audience

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

MapBuilder lets you tag locations on a map and publish it on your own site. Mapping is now easy than ever. It

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...

Search, plan, publish, view and download routes for cycling, walking, hiking, biking, motorcycling, tourism, sports and recreation world wide. Inclusi...

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...

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&#39...

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

Sign up for RunKeeper's free online social fitness community and running app to connect with friends to train and track your workouts.