Are E-Books Ever Going To Beat Printed Books?

Amazon announced that its June 2010 Kindle e-book sales nearly doubled its hardcover book sales (180% higher). While many of those e-books were self-published books for as low as $1 (and even though traditional paperbacks are still selling wildly), it looks more and more like e-books may become the dominant book format in not too long.

So are paper- and print-free e-books better for authors or publishers than their print counterparts? And are regular books on the out? This infographic explains what’s really going on: