Originally Posted by
mech11
Is that to hard to understand.
Apparently for you it is. Read the T&Cs again.
Originally Posted by Marriott website
after 25 paid nights, made between February 1, 2011, and April 30, 2011, at a participating Marriott property.
Did you stay in the hotel the ~night~ of January 31? Yes. Is the ~night~ of January 31 included in the MegaBonus? No, it's not.
I know what your argument is and you're wrong.
ETA: You're wrong based on what the T&Cs say. If Marriott chooses to change the wording of the T&Cs, well then...