Big company patent filings aren't any indication they're actually working on it; engineers get paid for not-insane patents that get filed, and normally get a pa

Big company patent filings aren't any indication they're actually working on it; engineers get paid for not-insane patents that get filed, and normally get a pat on the back during promotions; so you can't actually tell if it's just an idea an eng had over coffee or something evil they're really working on.