Mavericks pricing further confirms what we’ve seen in recent years: traditional PC sales are on the wane, and Apple is a company that makes money off hardware devices and online services rather than its operating systems. It appears that Cupertino now wants to encourage upgrades as a way to push users not only to buy new hardware, but also to spend more money on iCloud, iTunes Match, and making App Store purchases. (via Why give away OS X Mavericks for free? Because it makes Apple more money | Ars Technica)