Lecturing on lecturing

We recently did student evaluations. I must be the only teacher in my
department whose students want more lectures… ;) In any case, I
touched on that humorously in a short lecture on, well, lecturing.

You can find the slides at http://sacha.free.net.ph/cs21a/lectures.sxi
(openoffice.org 1.1) or http://sacha.free.net.ph/cs21a/lectures.pdf .
The OO.o version has annoying animations, but is otherwise the same as
the PDF version.

Nodding and smiling from class. I guess that means they got the