Some that come in mind, both personally and corporately: 1) data analytic, insights, and visualization, 2) dashboards, 3) knowledge discovery and exploration, 4) education & learning, 5) games
Those are features. What human business problem are you solving?
Don’t put the cart before the horse.
Yes, it's important to start with a clear problem to solve. The ideas are great if they solve a real problem in an innovative or more efficient way than current solutions.