Bookcelerator - A curated directory of books that will make you smarter
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Project Ekalavya - Monthly book summaries that you can't forget
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.
Tertulia - Books Worth Talking About.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.