Face-to-face communication as a crutch
A lot of times people talk about how face-to-face communication is high bandwidth, but let’s just say that in a lot of cases, that face-to-face communication can be a crutch. You can just throw bandwidth at the problem as opposed to actually using the bandwidth you have efficiently.
A thought-provoking point from an interview with Joe Mastey on the FogBugz blog.