If you wish to personalise your interaction with the site, for example when you play Bingo, you can enter a name here that other users will see.
You can enter your email address so you can always retrieve your progress data and your personal flash cards.
On a different computer just come to this page and re-enter your email to retrieve the progress data.
Your email address will not be used for any other purpose.
Alternatively, you can simply take note of your user id here and re-enter it on other devices that you wish to synchronise with this computer's tracking of your progress.
Note down the user id in case you wish to retrieve your progress data in the future.
Clear all data if you want to delete your personal flash cards and start your progress and scoring from scratch