Earlier I received a strange call from someone. The voice asked if I could hear him. I said "I can hear you, now who is speaking". Then they hung up. I'm pretty

Earlier I received a strange call from someone. The voice asked if I could hear him. I said "I can hear you, now who is speaking". Then they hung up. I'm pretty sure they were hoping that I would respond with the word "yes". That is a very dangerous word in the wrong hands!