PUBLIC MARKS with tags usa & reviews

Yelp collects reviews from customers of local businesses and makes it easy for others to find those reports online. The company says a key part of its technology is the automated filter that it uses to screen out potentially fraudulent reviews. Yelp has also created applications for the iPhone, Android, BlackBerry, and Palm Pre. The iPhone app recently gained a location service, allowing users to check in when they visit a business. ­

Submit/rate/find their favorite hotspots (restaurant/nightclub/event,etc) Maintain a photo gallery of each hotspot per user, a favorites list where members get bulletins from hotspot owners, a friends list called a "crew,"