"Netflix for Receipts." Scan yourself a Recurring income business idea...
 

Bet there's a whole Bunch of related “twistable” ideas out there... ;)

Using Simple tools such as Scanners etc. etc... Maybe the Flip Video Camcorder...

https://www.shoeboxed.com/
https://www.shoeboxed.com/mail-in.htm

Jim Kukral is Great at Trend watching and ideas...

http://www.jimkukral.com/
http://www.thedailyflip.com/
http://www.buytheflip.com/

Phil