A tool that enables humans to exhibit NEW behaviors they could not otherwise or exhibit existing ones in a more significant efficiency. To me this is no different than inventing the wheel, fire, or electricity.
I second, third, fourth, fifth that
. Inventing is fun!
Hint: cross-disciplinary thinking makes one a good analyst and a better inventor. (EDIT:subject to normal social limits
. Otherwise things can go horribly wrong......)
Example of cross-disciplinary thinking:
Go sit down in the park. watch a dog happily eat a bone. put yourself in his position - eat without using hands. Sounds sloppy. think again. assume you're in the next century, where everything's computerized. food is delivered to you at your desk. by robotic arms. all you do is make a physical movement (like a mouse gesture) and the proper arm, lifts the proper burger from the mini oven and presents it to your lips. eating without using hands! too far fetched? think again. stephen hawking. ICU's ICCU's. medical equipment. big money and big market!!
You can do all of that in game programming, eg. in second life