Maybe, maybe not, GnuPG has been here a long time already for instance. But that's not the point anyway, the point is that Google can update your browser and t

Maybe, maybe not, GnuPG has been here a long time already for instance. But that's not the point anyway, the point is that Google can update your browser and the extension without you being aware of it very easily. You can turn it off of course, but who does that? Running an outdated browser is not exactly the best security measure...