Review: Sony Xperia Z4 Tablet

Introduction, design and displayIf Android tablets are to have a shot at taking on the iPad, Sony's new challenger is exactly what they need.The tablet market is a very different place since Sony last launched a 10-inch tablet. Where then the Xperia Z2 Tablet was a credible threat to the iPad in a new and exciting arena, the Xperia Z4 Tablet has landed in a very different place.Right now there isn't really any Android device standing up against the almighty iPad Air 2 with the Nexus 9 not provin