I've worked as a technician for Community college, University and Middle School. The truth of the matter is that sometimes technology detracts from human-to-human communication and understanding. Anyone who says otherwise is being unrealistic. A key element to human communication is facial expressions and eye contact. If your face is buried in a laptop while trying to type every word, you run the risk of missing information, context and nuance -- the things that differentiate quality education from memorizing facts. This whole argument about "I pay for the education" is a misguided and disrespectful. The professor is trying to impart knowledge to the student in the ways that they (theoretically) have found to be the best. On the most basic level, it's rude in to put something in front of your face in *any* lecture/meeting/presentation. That's just basic courtesy.

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