What dogs will do to get a treat!

I saw this news article which I found pretty amusing and thought some of you here would also find it interesting to watch:

http://www.news.com.au/technology/scienc...7309898504

It was interesting to me that a dog managed to learn to act paralyzed in order to get sympathy perhaps, and get treats from people! I think dogs are truly one of the most intelligent animal species out there -- very perceptive of how we as humans react to them!

If you have a dog, has your dog ever learned any sort of manipulative or cheeky behaviors in order to get a treat from you? My dog doesn't seem to do anything like that, except perhaps look sad...but he perks right back up when the treat bag comes out! (I think all dogs do the sad face to a degree, though!)