Foursquare - Foursquare is all about helping you find new ways to explore your city.
Qwiki - Find and Read Articles on Wikipedia from your Mac menu bar!
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
Endless - Random and amazing Wikipedia articles.