Groupon has the Refurbished Google Chromecast Streaming Media Player for $20 ($35 if new) for a limited time. Shipping adds $4 but if you can pad your order to $30, shipping if Free.
The Chromecast plugs into any HDTV with an HDMI port and connects to your wireless network, allowing you to control it with your existing smartphone, tablet, or laptop. Send your favorites from Google Play, YouTube, Netflix, and Chrome to your TV with the press of a button. It includes one-year warranty from Google.