Since the introduction of the DVR more than a decade ago, consumers have learned they don't have to conform their lives to broadcast programmers' schedules in order to watch their favorite TV shows.

Along come online sources like HuluPlus, or the network's own websites promise even more convenience: Get any episode of any show with no need to remember to record it. But adoption is hampered by the awkward viewing experience of the cramped screens of laptops, tablets, and smartphones.

Welcome to TV viewing in the Age of the Customer. Consumers want their favorite shows when they want them, on their preferred device, with little or no effort on their part.

Linear TV, DVRs and today's online viewing experience all fail on at least one of these dimensions. Viewers increasingly cobble together a mix of sources and devices to create this level of convenience, and each of these players vies to capture more of viewers' time by improving its offering.

In my new report, "How Online Video Will Challenge DVRs' Role," I delve into how these two sources of video entertainment vie to meet consumers' increasing expectations. DVRs have the advantage of incumbency, while online viewing offers greater flexibility.

Let the battle begin!