Signed HTTP exchanges may be harmful, but Google is beginning to get enough dominance so they implement it and browsers with a minor market share must follow or are left behind.
Yeah, I didn't think so.
Does that mean that the Google+ button is coming back? Seriously? Why not just serve the content and leave it at that? Is the tiny bit of extra data you get from a unique "share on Facebook" URL worth it?
> The Navigator.share() method invokes the native sharing mechanism of the device as part of the Web Share API.