Top Tnooz this Week - Middlemen, Groupon and our usual hot topicsNewsBy PhocusWire | January 15, 2011Share This article was originally published on What were the most popular articles on Tnooz this week?Top five by traffic: Kayak closes West Coast US office, some jobs to goTripIt sells to Concur for $82M cash and stockHow many intermediaries are needed in a Google Travel world?TripAdvisor launches airline user rating systemAmerican Airlines sues Sabre over display bias and booking fee increaseTop five by comments: How many intermediaries are needed in a Google Travel world?Does the Groupon model lead tourism businesses racing to the bottom?TLabs Showcase - TripAnomalyAmerican Airlines furor? Air Canada, Travelport declare world peaceTripAdvisor launches airline user rating systemTHack: Tnooz launches THack in LondonWhat you missed on TLabs:TLabs Showcase – GuestBookTLabs Showcase – TravelmatchTLabs Showcase – CarsolizeTLabs Showcase – TripAnomaly