Netflix (NFLX 0.40%) has changed the media landscape, not once but twice. First it altered the way consumers rented DVDs and then it basically helped to create the streaming business. Both times it used a subscription model. And that model is what makes this company so resilient during economic downturns. It could be the perfect recession stock, but does that make it worth buying today?What does Netflix do?Netflix basically provides the software platform through which consumers can stream media. It charges ...