The Motorola Xoom doesn’t feature default USB functionality but after the Xoom update last night, it kind of helped for this. This isn’t the Nokia N8 where you just plug in a cable and then your USB but instead, lots of steps are involved in this.
The main step here is to have our device rooted and unlocked. The Slatedroid guys are the ones behind this, they did update the software before doing this but it also works when the software version is HR166. Go over to them to find out exactly how to do this.