Google Could Squash Kindle and Nook Ebook Formats

Amazon's Kindle (left) and the new Nook from Barnes & Noble are just two of several e-readers that will compete for your literary attention this holiday season.

This week Amazon released a Kindle app for PC, extending their ebook market to the 220 million PCs in use in the US, that’s 30 times the number of Kindle and iPhone screens currently accessible to Kindle’s proprietary ebook format. In a similar move last month, Barnes & Noble launched the Nook, a dedicated device complementing the BN ebook store launched last summer, allowing Nook users to lend BN ebooks to friends with a PC, iPhone or other smartphone, a Nook, just not a Kindle.

It’s a format war all over again, like HD DVD versus Blu-ray, which always comes into play with device specific media.

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Leslie Meredith is a contributor to Live Science. She has a bachelor's degree from UCLA in psychology and has directed tourism and ski publications for the Salt Lake Visitor & Convention Bureau and managed promotions and events for Sunset Magazine.