&quot;Many retail workers now clock in with a thumb scan. Nurses wear badges that track how often they wash their hands. Warehouse workers carry devices that assign them their next task and give them a time by which they must complete it. Some may soon be outfitted with augmented-reality devices to more efficiently locate products.&quot;<p>This is straight out of Manna. <a href="http:&#x2F;&#x2F;marshallbrain.com&#x2F;manna1.htm" rel="nofollow">http:&#x2F;&#x2F;marshallbrain.com&#x2F;manna1.htm</a>