required fields

so... for registration for NANOG, i am REQUIRED to specify a tee-shirt size before being allowed to proceed. i've seen silly stuff in my day, but this might take the cake. as a suggestion, if you (and you know who you are) insist on requiring folks to specify clothing preferences/styles before allowing them to register for a network operational conference you -might- allow them to opt-out by specifing NONE. as usual, YMMV --bill