I think NFC has potential to replace it altogether, but for the same quandary of having to launch a special app out to use it. At least it's less fidgety thoug

I think NFC has potential to replace it altogether, but for the same quandary of having to launch a special app out to use it. At least it's less fidgety though, as in not having to wait for camera to focus or aligning it to some center point on the screen, just tap and done.