James, sorry no idea.
Someone e-mailed me about another Hilton thread I was involved with before I went interstate last week, and as a "ps" suggested I sign up for this. I did a few hours ago, and like
Minny above, the points were posted in 30 seconds to my account! Their speed is impressive at Hilton.
It only took me 30-60 seconds to complete it, and just in case it is something new, others might like to spend a short time logging in to check. If you completed it before, sorry for raising it, but seemed like a fast, great no-strings-attached deal to me!
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~ Glen ~