After 20 or so tries, I got it twice in a row. I strongly suspect they won't make good on this, or will dramatically devalue the points.
Notice the rules:
win the Instant Daily Prizes described below. A maximum of one entry per Daily Period allowed for the selection of the Daily Instant Prize winner. Neither AltaVista Company ("Sponsor", Devon Direct, nor RPMC,
They can claim you entered twice and are ineligible.