Thanks so much for posting that. That is what I've been thinking about and I couldn't remember where I read it. As a reminder, here is the definition of unclear wording:
https://www.macrumors.com/2009/04/10/apple-launches-1-billion-app-countdown-promotion/
as compared to 100% perfectly clear wording by Apple on their last similar promotion:
https://www.macrumors.com/2004/07/01/itunes-countdown-to-100-million/
OMG a 13yo could figure it out.