Using Post-It Notes in the Classroom

Honestly, I wasn't sure how college students would respond to writing their answer to a problem on a Post-It Note and then sticking it to the white board, but I thought that I would give it a whirl.  As it turned out, most of the students told me that they enjoyed the activity because it was unexpected, as I had given them a Post-It Note at the beginning of class and gave no instruction as to what to do with it until the end of class.  The students also told me that they enjoyed having to get up out of their seat to put the Post-It Note on the board rather than just having to sit and watch me do yet another problem on the board.  I am not suggesting that this should be done all the time, but to change things up once in a while, it's something to consider.