Best apps for Windows 8 2012

Windows 8 only entered the software scene two months ago, yet despite rumors to the contrary, the software in the Windows Store is growing strong, with nearly 20,000 apps and counting so far.

Windows 8--along with the launch of Windows' new "Modern UI" (a.k.a. Metro)--was designed with touchscreens and desktops in mind, but can any one OS do both well? Although it's far too early to pick the long-term winners for Windows 8, we've spent enough time with the Surface RT and the desktop version to make our picks for the best Windows 8 apps of 2012.