From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
The mean Hogwarts caretaker, Filch is always on the lookout for students to punish. He had the Marauder's Map in his office, having confiscated it at some point. Fred and George Weasley relieved him of it in their first year at Hogwarts, though.