I think a better question for 2 experienced guys like you is, "What industries are overserved by software?"

That would open up a whole bunch of possibilities that no one is looking at. Much better than competing with 2000 others at the next soon-to-be-obsolete app.

I've built a great career by asking customers to consider the "low tech solution" first, then building upon it. Amazing how often they love it so much that the "building upon" step never comes.

As I sit here on a client's system with 14 useless windows open, being bombarded by skype, email, voice, chat, webex, outlook, office, text, jira, confluence, and sharepoint notifications from 14 others with their own 14 useless windows open, none of us getting any real work done, I wonder why 2 guys like you who know how to get shit done don't come in and just fix this for us.