WooCommerce Downloadable Product Update Emails (Pro)

This plugin is a must have for any store which sells downloadable products such as e-books, courses, software etc. It takes out the tediousness of having to manually search for all buyers of a downloadable product and manually sending them an email about a new update to the product.

Lets say you upload version 1 of a file (e-book, music file, source file, software), 100 customers purchase this file, you now have a version 2 of that product. How will all 100 people who bought that item know that you have updated it?