If 2012 was greeted with the Android-based Wi-Fi camera and touch screen laptops, 2013 will test their popularity and bring a major shake-up in the gadget industry as popular gadgets like the desktop PC might become obsolete. The cloud will be used more actively, and the SD flash drive will make laptops lighter. The wired network will see a major hit as more will go wireless with 4G reaching India. Hassan M Kamal spoke to tech expert Vijay Mukhi as he plays forecaster on what