Since the Sheraton and the Westin are the preferred hotels for West and East and they are both under the Marriott umbrella, please be aware of the following and watch out for any issues with your CCs. I am mostly pissed at the passport info, that one you cannot change and in this day and age a pretty useful thing for people to steal/spoof.
https://www.washingtonpost.com/business/2018/11/30/marriott-discloses-massive-data-breach-impacting-million-guests/?utm_term=.c9e0b5198a59