In what ways have e-books reimagined what a book can be?

This allows more than just text and static images in the book. Books can contain videos, gifs, and even links to external sources.

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Explanation:

The biggest differences are in the publishing and distribution of new books.  In the past, publishing a book is a big undertaking. A publisher will consider the cost of acquiring rights to a book from an author, type-setting, printing and delivery of the finished books. So authors sometimes may have to sell-publish because they could not find a publisher. This is no longer the case for e-books. It can be as simple as posting a text or pdf file online to get a written book out to the public.

The largest online store, Amazon, started out as an online book seller for physical books but quickly saw the potential of e-books and has become the largest e-book distributor.

shakespeare was famous for writing in iambic pentameter, which is a specific way of rhyming sonnet lines in ten syllables. there are also forms of unrhymed iambic pentameter, as in macbeth, with the noble characters.