added youtube link

Author: yorek

README.md

@@ -64,6 +64,9 @@ Well, more precisely, not only you can detect the changes, but you can also gene
 
 More technical details are available here: [Sync Mobile Apps with Azure using Change Tracking API ](https://techcommunity.microsoft.com/t5/azure-sql-database/sync-mobile-apps-with-azure-using-change-tracking-api/ba-p/1213993)
 
+I've also prepared a video to show in 10 minutes how much simpler can be your life using Change Tracking API.
+[![Alt text](https://img.youtube.com/vi/c1BmNruu6wc/0.jpg)](https://www.youtube.com/watch?v=c1BmNruu6wc)
+
 ## Create an empty database
 
 Make sure you have an Azure SQL DB database to use. If you don't have an Azure account you, you can create one for free that will also include a free Azure SQL DB tier: