Keanu Reeves

“Your keyboard may occasionally capture ‘snippets’ of your typing. This includes short phrases, plus data about the keypresses you made to type the words, and whether you deleted or changed anything. These snippets are captured anonymously and you do not need to be signed in to share them.”

https://support.microsoft.com/en-gb/topic/microsoft-swiftkey-keyboard-sharing-your-typing-data-faq-d737059d-8810-448e-b376-9af56171a37d#:~:text=If you are signed in,separate Microsoft product improvement service. From Microsoft themselves

Don’t give them ideas. They could send you a default cartridge to top it up, then only allow you to print when your have an active subscription.