Apple and Microsoft are reportedly wrestling over Apple’s 30% cut of items sold in the App Store, specifically SkyDrive subscription revenue for the SkyDrive app. The SkyDrive app was intended to not only allow users to view and open their files, but to upgrade their storage though the iOS app. According to the App Store rules, however, Apple's entitled to a 30% cut of any in-app purchases. According to Alex Wilhelm of The Next Web, however, it's gotten even more complicated: