Forget the new Nano, or the reinvention of the LP record, Apple's two biggest announcements this week were features hidden inside iTunes 9. We finally get to share iTunes music between computers and have new control over iPhone menus.

Previously, moving iTunes music around has required a separate application, such as Senuti.

iTunes' new Home Sharing allows up to five PCs to share their music libraries as their owner desires. My huge library of old-time radio programs can now live on my largest hard drive and get copied to and from my laptop, as I desire. Likewise your music collection,

New purchases can also be automatically copied across multiple machines, solving the challenge of needing to make all your iTunes buys on a single piece of hardware.

More: http://pcworld.com/article/171751/