As a customer, I want to be able to "Like" a product in the catalog so that I can express my preference and potentially receive recommendations based on my likes. #5
Given a customer is viewing a product's details
When they click on the "Like" button for the product
Then the product's like count should increase
And the customer's like should be recorded
As a [role]
I need [function]
So that [benefit]
Details and Assumptions
[document what you know]
Acceptance Criteria