I use about:blank because I do not always wish to go to the same page each time I launch my browser, and I don't want to experience a slow start-up as my browse

I use about:blank because I do not always wish to go to the same page each time I launch my browser, and I don't want to experience a slow start-up as my browser loads a pre-defined home page. Out of curiosity, if you find this data, what do you want to use it for?