Several companies are pioneers of this strategy. In February 2010, Intelligrated, a leading American automated material handling solution provider headquartered in Cincinnati, announced to re-launch a “real time order fulfillment system”, a comprehensive suite including pick-to-light, pick-to-voice, pick-to-cart (a mobile order picking solution), RF picking and an order fulfillment software (see intelligrated.com or moreRFID.com).
Source: wiktionary