While it's not the full experience, it's enough to act as an appetizer before you let them have a go with your phone! Let us know how you get on!
How to demo Windows Phone on your best friend's smartphone
Published by Ewan Spence at
Quick and cheerful, grab any modern smartphone that's not Windows Phone, and visit http://m.microsoft.com/windowsphone/en-us/demo/index.html (or tinyurl.com/metrodemo) to be presented with an interactive demo of the Metro UI. Perfect for giving your Android, iOS or Symbian friends a look at a different mobile phone interface.
Source / Credit: Microsoft