I am currently staying here.
The person that checked me in didn't mention my Platinum status. I brought it up myself. He checked with his manager and returned to say that there is not much benefits. No breakfast. Only Diamonds get considered for room upgrades. He did say that Platinum members get 15% off laundry though
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They have put me on the lowest floor facing inward into the atrium. So it is dark even during the day when the sun is shining bright outside. No city view, of course.