Paying at Pay-Phones

I did not think there were many people who used pay-phones these days. Almost everyone has a cell phone or a land line or in most cases, both. However, as I waited for the bus these past two days, I noticed both times that someone was using the pay-phone close by. I wonder why... My over-active imagination is saying that it's people having affairs arranging clandestine meetings and not wanting to leave a trail back to their own phones. Or maybe some other kind of exciting secret mission maybe? I am surrounded by people who have fun and use pay phones. And I have a lousy cell phone. :-(