Sentiment Analysis Could One Day Tell Authors How Readers Feel About a Story

There are ebook analytics startups like Jellybooks that can tell publishers how members of a focus group are using an ebook - which pages are the most popular, how far each test subject got before dropping the book, etc.

But one thing these startups can't do just yet is tell publishers how a reader feels about a book. Sure, they can survey readers, but that doesn't always result in truthful answers.

But sentiment analysis might.