Yet another example of how portable gadgets are all the rage right now. About.com recently reported that Nintendo has sold over 21 million DS units since launching November 21, 2004. That’s a whopping 23 systems sold per minute! It just goes to show that people love to take their entertainment with them wherever they go. From TV to video games to music it’s all available now anytime and anywhere. What a great world we live in huh?