Whenever I have an idea for a blog post, I add it to a running list. The idea for today’s post came to me during Web 2 Summit and I wish I had posted it then because it would look more prescient. Oh well – here it goes a bit late. Yesterday reports surfaced that Microsoft is working on a new TV service that would be an alternative to the offerings from cable providers. That could be terrific for consumers by expanding choice and finally driving down price, assuming for a moment that bandwidth...