Google News - Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
News API - Get live headlines from a range of news sources
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.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.