Foursquare just launched a redesigned desktop interface that everyone, not just members, can use for local listings and business recommendations. The company has been on this trajectory for awhile now, especially with the latest Explore map that provides a more tailored search experience for logged-in users. This is all in line with co-founder and CEO Dennis Crowley's promise that Foursquare is more than just a simple social service; that it serves as a discovery and recommendation e