What better way to keep out the riffraff at an office gym than one of those newfangled electronic locks? Of course, getting legitimate users to remember the key code can be a bit of a challenge, so it’s probably best to put a sign on the door that tells them what the key code is. But of course, that presents a security problem with the aforementioned riffraff, so it’s probably best not do that. Or, one could just do both …


(submitted by Antii Roppola)