BERLIN -- What do you get for the phone that has everything? The Samsung Galaxy S4 is possibly the best smartphone ever made, but one thing it doesn't have is an e-ink screen for reading the latest page-turner.
That's where the PocketBook S4 case, unveiled at technology bunfest IFA 2013, comes in. It's a case for the Galaxy S4 that contains a 4.3-inch e-ink screen.
But my S4 already has a glorious 5-inch high-definition full-colour screen! Why do I need a spare screen that only does one colour hanging off the side of my fancy, high-class … Read more