My house alerts me when my cat climbs into the ceiling
https://www.steele.blue/ceiling-cat-presence-detection/
The goal of the project was to turn on a light in the living room any time a cat is detected in the drop ceiling alcove.
Jesus Cat.swf (application/x-shockwave-flash Object)
http://cache.cow.net/offers/Jesus%20Cat.swf
Mostly Harmless ? Blog Archive ? bacon cat
http://blog.mostly-harmless.ro/bacon-cat
"You simply cannot tell me I’m the first person to think “Bacon. Cat. Bacon on the cat. What could possibly go wrong?” and then document the result."