Also, if you're somebody like me, who has poor auditory memory but fantastic visual memory, a phone call is very ineffective. In one ear, out the other. I've

Also, if you're somebody like me, who has poor auditory memory but fantastic visual memory, a phone call is very ineffective. In one ear, out the other. I've also worked with a programmer who was completely deaf; obviously he preferred to use IM or email over phones...