While iOS already has a place in the corporate world, that spot isn't guaranteed when there's competition with both a renewed BlackBerry and Samsung's Knox. Accordingly, Apple isn't leaving anything to chance: it just posted a page explaining the business-friendly iOS 7 features that it teased at WWDC. The biggest improvements for end users may be enterprise single sign-on and per app VPN, both of which will save hassles when launching work apps. IT managers should have it easier as well -- iOS devices can join Mobile Device Management as soon as they're activated, and a company can assign apps to individual users without losing control. There's considerably more features than we can list here, but it's clear from a cursory glimpse that Apple likes its foothold in the enterprise.