I've always made the statement to friends and associates that google knows far more likely what I am to do 'tomorrow' than I do. Always said half in jest, and half in acknowledgement that they have been tracking to actions physically and online for.. a decade?
It's a low key way of chatting about huge datasets and the pattern matching they can provide to computers that we as individuals simply can't keep mental track of due to scale.
We are not as unpredictable as we all believe our tiny flower selves to be.