I am an inventor. Can someone give me some advice on what you would like to see invented?

I would like to invent something that is a hit and makes life easier for people. If you have any ideas advice on inventing something or anything you would like to see on the market that would make life easier for people let me know. Thanks! I'll choose a best answer.I am an inventor. Can someone give me some advice on what you would like to see invented?
invent eye-glasses with screen cleeners like those in cars, i wear glasses and it is really annoyin when it rains :DI am an inventor. Can someone give me some advice on what you would like to see invented?
Life would be SO much Easier With--





Glow in the Dark doorknobs. Seriously.





Or.... Glow in the dark Toilet Flushers.





OR---


A new Operating system other then windows mac or linux. Be The NexT Bill Gates. And once your there... You owe me 100 Million dollars. Lol