You've had a brilliant idea, one you think could turn into a rare "unicorn". But before you dive headlong into launching a business, first take the time to validate your idea. This will help ensure that there's room in the market for your idea - along with potential customers. It can also save you from doubling up on something that already exists, or attempting to shoehorn yourself into an overcrowded vertical.
Here's how to figure out whether your idea has legs.