I'm in healthcare. I find the best problems that are worth solving are the ones that come directly from the patients themselves. Perhaps it's the same in other industries.
I am currently running a beta and if you would like to help me test it then you can apply here:
For reference, I have had a thread up on MacRumors Forum for a few weeks:
https://forums.macrumors.com/threads/iphone-as-a-webcam-for-...