The Prime Instant Video library now features more than 36, 000 movies and TV episodes including fan-favorite shows such as Downton Abbey, Fringe, and The West Wing and blockbuster movies including Mission Impossible: Ghost Protocol, Rango and Transformers: Dark of the Moon, for Amazon Prime members to stream, commercial free at no additional cost on Kindle Fire HD, iPad, iPhone, iPod touch, Roku, Xbox 360, PlayStation 3, Wii and Wii U, among other devices.

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Samsung and Apple will wage an epic battle for device supremacy but could a dark horse like Amazon spoil the duopoly?

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To watch movies or TV episodes from Amazon Instant Video on iPhone and iPod touch, customers can simply search for the content they've already rented or purchased from Amazon Instant Video-including the latest hit movies like The Dark Knight Rises, Brave and The Amazing Spiderman and the latest episodes from TV series like The Walking Dead, Sons of Anarchy and The Vampire Diaries.

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Yes, we're talking about Amazon's Kindle Fire: the dark horse tablet entry priced to sell.

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Dark gray on paler greenish gray was the palette of the Amazon Kindle.

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The Amazon logo is still subtly printed on the back, a dark shade of gray stamped atop the darker exterior.

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And it was the breathtaking volume of transactions that caused Amazon, Pinterest and Apple to go dark.

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