Glenn,

Speaking of "fetch"--a grandfather and his grandson worked for three years to develop a product called iFetch. It's a gadget that a dog can drop a ball in and the gadget "throws" it for him. You can read about it on their current Kickstarter project (they're funded) or here:

http://techcrunch.com/2013/06/21/ife...azy-dog-owner/

Cindy