Streaming set-top boxes are huge. The Apple TV, once a “hobby” for Apple, has brought in more than $1 billion in revenue for the company. Meanwhile, Roku has devices connected to well over 5 million TVs. But could the set-top box already be on its way out?

http://www.digitaltrends.com/home-theater/chromecast-vs-roku-streaming-stick-vs-amazon-fire-tv-stick/