Netflix (NASDAQ:NFLX) has started the year in impressive fashion. So far this year, Netflix stock has run nearly 150%. While the company has served as a model for Amazon (NASDAQ:AMZN) Prime and Redbox Instant -- the joint venture between Coinstar and Verizon -- understanding the difference between Netflix stock and Netflix itself is important. Google (NASDAQ:GOOGL) just joined the paid video streaming business, but this should lead you to question the long-term viability of the business plan. If the company cannot grow revenue, eventually Netflix stock will be punished as well.

In the video below, Fool.com contributor Doug Ehrman discusses the video streaming industry, factors that will affect Netflix stock, and whether your investment dollars are better used in other places.