Hilton Honors FAQ 更新，点数过期从 15 个月延长为 24 个月：
https://www.hilton.com/en/hilton-honors/support-faq/
Points Expiration Policy
In addition to pausing Points expiration until December 31, 2022, we are also
extending the amount of time required to keep your Hilton Honors account
active from 15 to 24 months. Members must keep their Hilton Honors account
active in order to keep their Hilton Honors Points. Under the new policy, if
your account is inactive for 24 consecutive months, your total Point balance
will expire.
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各大信用卡点数情报网站也都报了：
Hilton Honors 点数即日起“永久”延长为 24 个月到期，总算追上 Marriott, Hyatt，
现在四大集团只还差 IHG 是 12 个月到期。
https://onemileatatime.com/news/hilton-honors-points-expiration/
文章也顺便复习几个常见的点数续命的方法：
- Staying at a Hilton Honors property
- Earning or redeeming points with any Hilton Honors partner
- Earning points with a Hilton Honors co-branded credit card
- Purchasing Hilton Honors points
- Donating Hilton Honors points to charity
如果 24 个月是正常水准，那应该就是“永久”直到真的有什么意外才会再改。
Hilton says that this policy change is “permanent,” but who knows what that
really means. In the loyalty industry, something is permanent until it’s
not. I guess the point is that this isn’t just intended as a short-term
policy in light of the current situation. For that matter, a 24 month policy
isn’t unusually generous, so I expect the intention is to keep that policy
around.