HEATKEYS

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 listing service for geocaches around the world.

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 friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

foursquare

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Waymarking - A scavenger hunt for unique and interesting locations in the world

Discover how to get anywhere by searching plane, train, bus, car and ferry routes

TVtrip video guide, provides unbiased, professionaly filmed hotels in key destinations around the world including London, Paris and New York... TVtrip also provides the best hotel rates thanks to its booking partners.

Online directory of sport facilities, swimming pools.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Fonolive is a free, simple community search platform. For everything fun and local, you can find it on fonolive. Find and learn about touristic attractions, local restaurants, local hotels, nearby performing arts, events, activities, concerts, new pl...