Mobile messaging plays an essential role in LBS.
Companies offering location-based messaging (sometimes referred to as "geo-messaging") include The Coupons App[REF] (US), Central[REF] (International), Zhiing (international), BluePont (US),[REF] Loopt (US), Dodgeball (US), Skyhook [REF] and Beamster[REF] (Austria).