This one from Wired is spooky: A Hacker Games the Hotel. A snip:
It can also let someone read the e-mail of guests who use web mail through the TV, putting business travelers at risk of corporate espionage. And it can allow an intruder to add or delete charges on a hotel guest's bill or watch pornographic films and other premium content on their hotel TV without paying for it.
Uh oh. Hoteliers, are you listening to this? Read the article and talk with your IT guys—don't wait until someone hacks your guests!
(Via the MIMlist.)