Noticing HUGE speed increases in Find My Friends and iMessages. Friends are located instantly, no longer searching for 3-10 seconds. For iMessages, especially when tapping top of screen to go back and load older messages in the thread. Speed increases in both apps are on the order of 10-20x. Seems like Apple did a major update to some backend processes. Not sure if this is iOS 10 specific or related to its rumored CDN. Running iOS 10 on iPhone 7. Noticing improvements over wifi and LTE.