Digital Chaos, IG. Plus, Startup needs to solve problems, is a taboo concept of inferior mentality. Startups can be made by doing a lot of things. Anything that saves time, capital, effort by delta 4(at least 4X folds).
Increase in efficiency, organizing some unorganised things like the nation's health care system, helping consumers adopt better healthy habits, helping to extract true news from adulteration of news World, sharing of knowledge and skills, connecting right problems to the right available solution, saving people from frauds, ....