For me it was more of seeing an end-user need not being served and slowly mulling over ways to serve that need, progressing to building a prototype on my own ti

For me it was more of seeing an end-user need not being served and slowly mulling over ways to serve that need, progressing to building a prototype on my own time, finding an equally-motivated co-founder, before finally going full-time. The end-user need wasn't served because of both technological and business reasons. Customers complained without much being done, so I thought that might be an opportunity.