Shazam (and competitor Midori), both allow you to purchase songs you've tagged but, as is with all iPhone and iPod touchapplications, the only option for music purchase is the iTunes store, now available over 3G connections as well as Wi-Fi.
There aren't many programs that take advantage of the multitouch capability, but we did have fun playing around with some of the preloaded Windows Touch Pack applications as you can see in the video below.
The Latitude 10 is a 10-inch tablet that takes advantage of the latest advances in touch-enabled applications and allows businesses to confidently bring tablets into their enterprises.