They're "selling as fast as they are being made", but Facebook isn't releasing the numbers, so it's still impossible to say. The big question is whether there w

They're "selling as fast as they are being made", but Facebook isn't releasing the numbers, so it's still impossible to say. The big question is whether there will be an ongoing demand as the months go by, or whether initial sales were all from a burst of interest that simply hasn't been satisfied yet by the number that have been made.