How to Block Ads in the New Xbox 360 Dashboard

Microsoft has just released a brand new dashboard update for its Xbox 360 console and, while it certainly brings an interface reminiscent of Windows Phone 7 or Windows 8, it has plenty of ads that some users find annoying.
 
Thankfully, a few clever owners have found a couple of workarounds that prevent the console from going online and downloading new ads which can be displayed in the