Amazon fires a shot at Chromecast with $39 Fire TV Stick

If you couldn’t be swayed to buy Amazon’s $99 Fire TV set-top box, perhaps you’d be interested in the company’s new $39 Fire TV Stick instead. Like other dongles such as Google’s Chromecast and Roku’s Streaming Stick, the Fire TV Stick plugs directly into an HDMI slot for streaming videos and music. But Amazon