> Recordings don't pause to answer questions mid-stream. Recordings can be paused a hell of a lot more easily than a lecture for a large audience -- the format

> Recordings don't pause to answer questions mid-stream. Recordings can be paused a hell of a lot more easily than a lecture for a large audience -- the format typical for heavy-enrollment basic classes in most colleges. I realize that googling something may fall a bit short of the ideal, but it's better than just sitting there quietly because you don't want to interrupt everyone else in a huge room. Also, those aren't your only possible options; for example, students could time their lecture viewing to coincide with the office hours of a TA, and actually be much more able to get questions answered in mid-lecture. Or you could watch lectures with a study group, and talk through points of confusion with your groupmates. Or you could [fill in the blank here!]