So at ITP, it all started when Michael Colombo posted an email to the list about an as-yet unsolved puzzle that he left up on his locker. He had a cardboard cutout taped to the door of his locker. Here is a similar image of it from the web:
This led me to start posting my own puzzles on my locker. Can you figure them out? There are two on this photo (don’t count the “READING IS SEXY” sticker):
And the most recent one here:
Email me if you think you solved any of them.