Push Notifications are a method of communication that your browser offers to help us communicate with you.
The reason is very popular is that you are in full control of it and it is anonymous because we cannot associate YOU with the information given to us.
YOU in our servers are a mere ID number and there is no way for us to know which ID corresponds to you.
For that reason the power to Allow or Disallow these notification are in your hands.
Please go to this external link to learn how to turn OFF push notifications on your computer and/or smartphone.