You time travel back to 2013. What product will you build? Only rule- you cannot use facts.

2013 - I would consider building Online Payment Services A digital payment channel for the masses leveraging smartphone technology would have several business advantages. E-commerce is going to be huge in the next 5 years, It opens up opportunities for businesses to tap into the growing digital economy, increase sales. Its a great problem to solve.

DoorDash in emergent countries.