I was waitlisted for a HAL excursion in Chile on our upcoming South America cruise. I received an email that I had been notified that space had opened up and I had failed to respond within 72 hours to confirm going on the tour. I went through all my email, including my trashed mail, and found no such notification. They automatically removed me from the waitlist.
It doesn't really matter because in the meantime I had found a local tour that sounded more interesting anyway ... but there seems to be a flaw in HAL's system somewhere. Anyone else have the same experience?