http://www.marriott.com/rewards/learn/prgnews.mi
Now you can use points at check-in or to extend your stay. If you have enough points, simply redeem them at the Stay Anytime rate. Subject to hotel availability.*
So if you decide to use points at check-in or to extend your stay, you'll be charged the Stay Anytime rate? Wow!
Checking out early? Take your points with you! If you’re staying at the hotel using points, inform the front desk that you’re leaving sooner than planned - and your points will be credited.*
Silver members can now upgrade their stay using points. Upgrade rewards require 5,000 points per upgrade level and cannot be reserved in advance. Subject to hotel availability.*
*At hotels in the US (except Hawaii) and Canada, not including Ritz-Carlton and MVCI.
I thought everyone could use points to upgrade?