It keeps repeating the same reasons. First three tries, two of the reasons were word for word the same. It needs a per-user most-recently-issued-reason exclusio

It keeps repeating the same reasons. First three tries, two of the reasons were word for word the same. It needs a per-user most-recently-issued-reason exclusion list so that it won't do that. Like the iPod Shuffle's "better than random" shuffle.