Another year, another iOS update. iOS 10 (which means ten years if you're keeping with the analogy) is available as a second beta, although the system won't be released until September. Notable changes under iOS 10 include: updated lock screen, Siri upgrade and a Photos app overhaul.

Source: https://techcrunch.com/2016/07/20/apple-just-dropped-another-ios-10-public-beta-for-you-crazy-testers/

Image Source: By Aboutworld (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons