CBS is se to begin selling shows on iTunes for $0.99. The move comes just as Apple prepares to launch the iPad, a device which could increase mobile TV viewing. The move cuts the price of digital TV shows in half. Amazon unveiled a free Kindle app for the BlackBerry. The popular eReader app is now available on seven BlackBerry hand sets, and will allow users to access books from their Kindle even if they don't have their device with them. While the app is free and available, it does not support newspaper articles, magazines or blogs. Comcast is giving broadband customers free cloud storage space. The communications company is providing up to 2GB for free to subscribers, with 50GB going for $50.00. Olympics Twitter Tracker is a visual representation of the popularity of events based on the overall number of tweets submitted by individual users. Whether it's Less