OBNOXIOUS SALESMAN from DATTO, a computer company.  I've had discussions with DATTO in the past and they are total losers. I told them never to call me again.  I told that to the LOSER who called me today that I wasn't interested and I hung up.  He called back TWO MORE TIMES to ARGUE with me about why I should listen to his LOSER sales pitch.  I called him some very foul names and he has not called back.