An inmate escapes from the county prison. There is a $500 reward offered for any information leading to the capture of the inmate. The county sheriff sees the inmate at a local restaurant and calls the department headquarters before arresting the inmate. The sheriff:

Zara, a global retail and apparel manufacturer based in spain that has successfully implemented this idea by having a continuous flow of new products that are typically limited in supply. zara has created a system that draws its clientèle into its stores, on average, 17 times per year as compared to 4 times per year for most stores. how is zara using it to gain competitive advantage? what specific technologies are used by zara to maintain this advantage over its competition?