[AlisdairSH]

Presumably, you'd only see the pop-up if you're running a non-current version of iOS (and need the previous version of the app)?

[div]

Correct, what I'm wondering about is how this popup will drive people to realize that "hey, I can upgrade to a new version of iOS".

iOS already has a pretty fast adoption rate for new versions, I wonder if this will make it even better.