Apple gave a small mention in yesterday’s keynote to something that may make a big difference to those iPhone and iPad owners who find themselves running short of storage space: App Thinning. The idea is that your iOS 9 device only downloads the code it actually needs, making apps significantly smaller than they are today.

What Apple listed as one feature is actually three separate mechanisms, each playing its own part in reducing app size, and ArsTechnica has provided an interesting look at how it all works …  expand full story