Speculating about future is is most of the time futile, let alone about the distant 100,000 years kind of future. But we can always guess and if there is science involved we even might be onto something.
I will show you how to enable desktop notifications, so you will notice a new email, even if you are not in the window where you have your Gmail account open.
By default the command line outputs are displayed onto a screen, but you can easily redirect into a text file or even make it to be used as an input for the following command.