Well with Loopt, people can’t see where you are unless you allow them to each time they try. And the program has to be running for them to see you. I would assume this works the same way.
There are many apps like this on the G1 already… nice to see it is being brought to all phones though now. Somebody is going to get into some biiiggg trouble with this lol.
Me: How’s the airport I see you sitting there.
Him: Ha, I see your still sleeping.
Me: Dick, I’m in traffic into DC just haven’t moved.
Him: HAHA sucks to be you