Networking Vampires

Someone I met recently used an expression that I got a big kick out of yet it really resonated with me at the same time.  Talking about a networker she knew, she said to me, "The guy is a Networking Vampire!" Watch this video to find out what exactly a "Networking Vampire" is and then come back and weigh in on how to spot them (they can often be very elusive–do you have a trick/strategy for discovering them?) and what to do about them once you identify them. Also, if you have any interesting stories about experiences you've had with Networking ...