The recommendation for Google Groups is fantastic! I can't believe I never thought of that. Having a recorded space to go ahead and answer any questions and then using those as reference, even in lecture with old student posts, is a great way not only to direct discussion but log your progress as an instructor! I'd also like to mention here the importance of setting aside clerical time. So often we get lost in the day's currents and lose the critical role of administration. Giving myself an hour or two every day will definitely unburden the task.
