There are three reasons for Netflix to make original content: attract new subscribers, stop existing subscribers from leaving and brand-building in the entertainment industry to attract future content partners. Star Trek would be great for all three, but particularly the first, and this article implies its the most important factor in judging the success of the HoC launch. Imagine you see an ad like this: watch the premiere of a new Star Trek series, right now online, no ads, for free. Who'd turn that down? And of course some of them would decide to keep the subscription when the free trial ends.