Google's Chromecast is already priced reasonably at $29.99 at Amazon, but from now until August 9 buyers can take advantage of a new promotion that throws in a free $10 Amazon gift card with the purchase of the HDMI streaming dongle.

The promotion page shows that this is a physical $10 gift card, complete with greeting card, that will be shipped with the Chromecast, which means you can keep it for yourself or pass it on to a family member or friend. Both the Chromecast and the $10 gift card have to be added to Amazon's shopping cart at the same time, and when you check out, the promotion offer will take effect, making the gift card free.

Check out the Chromecast with the free $10 Amazon gift card offer ($29.99)

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