> But the other person probably changed emails, didnt keep his phone number and moved to a new City. What now? What if the other person did all these and didn'

> But the other person probably changed emails, didnt keep his phone number and moved to a new City. What now? What if the other person did all these and didn't update facebook? Tough luck. Move on. Right? Same thing. If they changed email, and didn't keep phone number etc, then they probably don't want you to contact them anyway...