Dopplr, a UK-based invite-only social network for travelers, is launching a brand new mobile service. This service, i.e. Dopplr Mobile is currently open to 25 leading mobile network companies such as China Mobile, Vodafone, KDDI, T-Mobile, Orascom, SK Telecom, just to name a few. It is a measure that Dopplr has taken in order to tap into the mobile traveler market as Dopplr is a platform that focused solely on providing travelers the social networking activities. In prior to this, the beta users of Dopplr can only share their travel plans, add trips, link the travel schedules with friends, send visit reminders, and see whereabouts of their friends on the Web, but now with the extension of mobile service, Dopplr users will experience a same kind of service with their mobile devices. The mobile devices Dopplr Mobile currently supports include: Nokia Nseries and Nokia Eseries ranges, Apple iPhone and RIM Blackberry.

In tandem of the launching of Dopplr Mobile, Dopplr also announcing Dopplr Mobile 25. Those frequent travelers that want to get the invitation to join Dopplr, if they have a valid email address from an organization listed in the Mobile 25, they can use this to get invites and join this traveler social network.