Without a doubt, printing is going the way of the dodo bird and the Tasmanian tiger, but it will not happen overnight. Plenty of solid autumn years remain for physical printing. Print will most likely cling to life for a long time, along with the fax. Apple has provided an SDK feature, aptly named AirPrint, since iOS 4, which allows for physical printing to compatible wireless printers.
With the expansion and trust of mobile software into more established traditional fields over the past few years, AirPrint is becoming more popular. Point-of-sales apps and medical-processing apps both have a strong need for being able to print physical documents.
There is a limited selection of AirPrint-enabled printers, even more ...