I got this message today, posting so other Aim users who do not know.

Session Start (aolsystemmsg): Fri Oct 6 13:21:37 2017 -0400
1:21 PM aolsystemmsg: Hi there! We wanted to let you know that AIM will be going away on December 15, 2017. Until then, you can continue to use AIM normally, but as of December 15, AIM will be discontinued and you will no longer have access.

Thank you for being an AIM user - we loved working on this product for you. Learn more here: (Link: https://help.aol.com/articles/aim-di...m-discontinued.
Session Close (aolsystemmsg): Fri Oct 6 13:32:15 2017 -0400