You chose "Buy the entire set of 24 high-resolution movies (4 hours) on a single disk".

Thank you! The best way to learn about Domain Names is to see the subject explained as a part of our entire networking series. When you click the link labeled "Next" below, you'll be taken directly to our storefront, where you can use your credit card or "PayPal" to purchase the first 24 of our movie Episodes on a single CDROM. We'll rush the disk directly to your shipping address, and you'll have the world's best, most convenient reference on Internet technology in a durable, well-organized format that will serve you for years and years. Whether you're a technologist, a consumer, developing a career in high tech sales, or training others, this is absolutely the best way to learn about traceroute, the Internet, and how to solve networking problems. In addition, the first time you purchase anything from us, a special "download account" will be created for you, and you'll be able to return there to instantly download  or re-download individual movie files, as many times as you want, for 30 days.