Familiarity with handheld devices called personal digital assistants. Most come equipped with some combination of features including Wifi, cell network, laser scanners, RFID readers, push to talk radio, ruggedized to milspec 8, and GPS. Similar to a smartphone's features and apps, but geared toward the management of storage and transportation systems. An inventory manager today can know when an item will arrive, when there are delays, age and condition of the item, location and quantities, and upon an order being placed, how long it will take to ship, where it is en-route, when it is delayed, all in real time. Gone are the days when the employer relies on a monthly inventory and manual tracking of sales to monitor and order resupplies.