You nail it: I find "Instagram" as an application interesting, because it can be approached really easy (file upload and viewer). That even you don't find it in

You nail it: I find "Instagram" as an application interesting, because it can be approached really easy (file upload and viewer). That even you don't find it interesting anymore supports my point that it should be the kids who decide what to code. I never had an interest in developing games. When I learned JS and PHP (~15yrs ago), I created tons of dynamical websites which nobody used, but which were fun to code.