The photo has become one of the most popular features of our smartphones and many manufacturers are trying to improve it. Asus is one. It will propose soon even a range of dedicated accessories.  After hybrid and convertible devices, Asus has apparently decided to specialize in another area: the photo. And, as always, it does not do things by halves. You may remember the ZenFone Zoom announced in Las Vegas, as its name suggests, a digital camera with 3x optical zoom. The manufacturer keeps going and just enjoys the launch of ZenFone Taiwan to present a range of dedicated accessories.  The