Well, it looks like social networking could be coming of age in the commercial space. British Airways announced this site last week to connect Londoners and New Yorkers together. The aim being to produce a community that discusses and reviews restaurants, bars, shops and places to stay.
See this commentary on Brand Republic: http://www.brandrepublic.com/BrandRepublicNews/News/848300/British-Airways-launches-social-media-network/?DCMP=EMC-DailyNewsBulletin
It is a pretty cool idea. Only time will tell if this will draw the crowds.