Norm MacDonald dropped by the "Late Show With David Letterman" to talk about, among other things, his new found status as an Internet sensation, thanks to Twitter.
Unfortunately, his Twitter fame may have come at an awful price. As MacDonald explained to Letterman, he appears to be in an accidental feud with Steve Martin all because of a misunderstood tweet about a missing hat. After attempting to relay the conversation to Letterman via his phone, MacDonald admitted to maybe not being the best at Twitter.
The story has a happy ending though, as we checked out the two comedians twitter feeds and they seem to be doing fine: