This thread is 2015 - why is it appearing as current?
It showed up on the recent likes because someone recently liked it.
Fine print. Only reports most popular post in any one thread. Only reports on public boards. Time and date stamp and popularity is based on the time of liking not the time of posting, but the time stamp in the table above refers to the original post date and time for the liked article. Scores are an arbitary weighted measure. "Re: " has been taken off the start of the subject where it was a reply that was likes. See [here] for more details of our algorithm.
It will now show up in recently posted-in threads because a couple of us (you and me) have now posted in the thread.