Earlier this month, Tom Yager wrote an article discussing the future of internet-based TV channels. At first, I was excited to hear about it as I thought about the advantages and then started to twist my mind around the concept of running cable thru the web in a pure digital format, which would also make all TV channels available online for viewing from any web-connected PC. Iteractivity then started to spurt from the back of my mind. How rich could we make the cable interface? The possibilities...