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TripAdvisor expands guide

The travel review provider added 30 world cities to its City Guides free mobile app. This brings to 50 the number of global cities covered by the app. TripAdvisor (TRIP - News) says over 1 mil users have downloaded City Guides since it launched in late 2011. Cities added to the guide include: Athens, Madrid, Edinburgh, Milan, Bangkok, Shanghai, Seoul and Istanbul. The feature also includes transit maps for specific cities and custom itinerary advice for Google (GOOG - News) Android phone users. TripAdvisor shares fell 1.7%.