Originally Posted by
lento
Ok, I was dreaming then. I had a middle seat blocked yesterday with clear sign "enjoy complimentary free seat" or sth like that and I was thinking how nice for a non-AY OW Sapphire . Maybe it was for the another guy who was kind of overdressed.
Sound like you were sitting in a "business class seat". It might happen if they move the curtain but forgets to remove the special markers. But it isn't part of any block system.