[lukeredpath]

I'm sure if Apple really wanted to incorporate this into their apps they would either a) license the patent or b) just do it anyway.

[madeofpalk]

Apple already uses 'pull to refresh' in loads of their internal iOS apps.

[alexfringes]

True. Surprisingly enough, they also use the Android style connect-the-dots unlocking UI for some of them.

[cpeterso]

And iOS 4 copied Android's "window shade" style notifications.