Is self-publishing coming of age in the digital world?

Erotic novel Fifty Shades of Grey began life as a humble, self-published e-book, unable to satisfy the tastes of traditional publishers.

Within a few years it had achieved domination on a global scale, spawning a series that has sold more than 125 million copies.

E. L. James's personal story has become a tantalising fantasy for aspiring authors. But one that technology and social media are making increasingly realisable.

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