Groupon has the previous generation Google Chromecast Wireless HDMI Streaming Dongle, model no. GA3A00028A14, for $19 with for a limited time. Shippping adds $3.99.

BigDeals through eBay also the same Chromecast for $23.99 with Free Shipping for a limited time.

Chromecast puts the world of streaming media at your fingertips and on the big screen using your wireless devices

Chromecast turns your wireless device, phone or tablet into your remote control on the world. Use Chromecast to cast your favorite content to your television, bringing it all to the big screen. Your device then becomes your remote to search, browse, queue and control Chromecast from the next seat or the next room. And because Chromecast is cloud based, you can text, call, or wander about without interrupting what is on screen.