Ebooks are now quite venerable in computing terms, but it is striking how small an impact they have had on narrative structure; for the most part, they are still just ordinary books in a cheap format. An analogy is the early days of cinema, when film-makers did little more than plonk cameras in front of a stage and film a play. It took some time before they realised that by exploiting the new possibilities the technology offered – cutting, editing, closeups, lighting and so on – they could create a new art form that did not replace theatre, but did things theatre could not.

Why You Need An App To Understand My Novel by Iain Pears