How does Comin widget with product card work!

https://comin.co
When you reads some article on a blog you can see the Comin widget with a product tied to the content of the blog post. This product is automatically matched by Comin using machine learning.
You can click on the widget and view detailed information and read the reviews of buyers. And make purchase with a simple checkout. Close the pop-up and stay on the original page.
You can go ahead: buy quickly, make a checkout and immediately come back to the page.
After purchasing of a good, you can go to your account and track orders.