Wny were some people critical of the app?
They felt distracted and prefer to leave things to their imagination.
How does the writer describe the technology behind the app?
As deeply engaging.
What does the writer describe as 'sensuous'?
The experience of reading a book in the old-fashioned way.
How are books with a soundtrack better than silent books, according to research?
they are easier to follow and remember
How did the press react to the new app?
They reviewed it positively.
What is the connection between the American launch of the app and Sherlock Holmes?
The launch was based on one of the Sherlock Holmes stories.
What is the aim of the new app?
To enhance the reading experience.