*	blurb since 1st GSS of year

*	colloquium
*	departmental seminars
can learn a lot (or not) but go anyway.  as time goes by you'll
learn more and more; also you'll meet people, get your name known,
have conversations, find references etc.

*	gsss
by attending, can understand more.
by presenting:
*	dry run for thesis/diss defense.  peers can give you constructive feedback
*	R: show and tell.  needn't be original research, nor something you've
	spent a year on.  maybe just what you did over the summer, or in a reading
	course.
*	cf. Rachel's p-adics talk.
*	Pizza!  dep't doesn't provide unless somebody talks.