On Oct 27, 2014, at 3:54 PM, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: > On 28/10/2014 06:57, John Levine wrote: >>> As it is the meaning of a safe hint is to be intuited by the recipient. >> >> Yes. That's not a bug. >> >> I don't understand the point of hypothetical arguments about whether a >> safe flag might be useful. We already know the answer: Many of the >> largest web services in the world already have one. Youtube puts >> theirs right on the home page. > > John, I don't think the argument is about whether it will work technically > or whether it will be used. The argument is about whether this is something > that the IETF should endorse as a Proposed Standard, which implies that > we think it will be effective. Just to be clear: are you saying that you believe that those large web properties already doing this has *not* been effective? I have to believe that they have spent more time than us measuring that, and that they came to the conclusion that it was continuing to be effective. --Paul Hoffman