How widespread and developed is digital publishing?

Question

Freelance

how far has the transition from paper to electronic media progressed?
conventional publishers make electronic interactive books?
with animation and sound
on freelance there are such orders?
what for example known studios offer such service?
so that you can see on the site
what editors are available for digital layout of books?

Answer 1

"No son, it's fantastic" ))

Answer 2

do
not why publishers take such risks then
Artemy Lebedev's studio
is the same as for non-digital books