You may know that you can boot Windows on your Mac machine by virtue of the two operating systems sharing the same processing technology. What you may not know is you can actually run both at the same time through emulator software like Parallels. The app has been around since 2006 (ever since Apple switched to Intel chips), and has been steadily improving ever since. If your business has the all-too-common headache of supporting both Windows machines and Macs, desktop simulators like Parallels and VMware Fusion can help get all your computers running the same apps. Read the full story at Mashable.