And please, for the love of all that is holy, also make sure they understand what it might mean for the stability of features such as video recording.
Over the past few years Chrome has repeatedly shipped PepperFlash versions with various degrees of brokenness for video recording; wreaking havoc for webcam based services across the web.
Ironically enough these issues are extra hard to address, because when you tell Chrome users to 'try another browser' they all go "Nahh. I'm already on the best one."