this is what I was told but of course I am unable to confirm anything..

the promotion would be 3 months, you decide when May - July or June - August or July - September.
you choose what you want to earn, for instance Choose from Starpoints, Free Weekend Night Awards,
Starpoint® Redemption Awards, Merchandise Discounts, or Elite Bonus Qualifying Nights.
Will vary with a choice of 12 offers, and the majority are based on nights