It's finally here! SiriusXM On Demand has launched, ushering the satellite radio service into the 21st century. The company's promised library of 200 shows and 2,000 hours of programming are online and available for subscribers to stream at their leisure. Access is free for existing subscribers, and available through the web or the SiriusXM apps on iOS. App users can even download shows for offline playback (which we believe makes them podcasts). Now you'll never need to miss another allegedly hilar
