Lean Startup
False negatives and false positives
False negative is a result that appears negative when it should not, while false positive is a result that appears positive when it should not.

Identifying existing alternatives
After you have identified, listed, and described your customer's top 3 problems your next step is to assess how they are solving those problems today.

The Jobs To Be Done Framework
Figuring out what problems you are solving can be hard. It may help to think about what “job” you are “hiring” a product to do instead.
