Keeping track of friends’ whereabouts

Not long ago I was going to post about the challenge of keeping relevant people posted of one’s travels. That is, the challenge of knowing who among one’s friends may be in the same location at the same time. It’s one thing to remember who lives at a particular destination, it’s another to try to guess who may be travelling there at the same time you are.

Fortunately, just as I was about to post on this, I came across Dopplr, which is a site that addresses this precise issue. Once you sign up, you can let the system know about upcoming trips. You also link up with other people to share your itineraries and the system tells you when you’ll overlap. It’s in closed beta, but if you can think of a friend who has an account, you can ask him/her for an invitation.

Obviously, the value of such a service increases by the number of relevant contacts that join and keep their accounts up-to-date. I wonder if they will be adding the option of distinguishing among contacts. You may want certain people to know about a trip, but not others. And of course, if you prefer that people not know about a certain trip at all, you can exclude it from your list altogether.

I’m excited about this service, but the usual challenge remains: getting enough of my non-geeky friends to join and update their travel info.

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