Someone asked me for a startup idea.

That’s the wrong way to go about it.

The real question should be: “how do I get startup ideas?”

You need to be an idea generator to operate a startup.

You don’t need one idea to build a startup. You need many, many ideas.

Also, maybe what you really need is more a problem that real people have and want to pay money for.

Not an idea for a product.

Anyway.