Infosys's sensor network turns stores into mini-Internets.

Michael Fitzgerald, Technology Review 2008.

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Infosys may have solved a $100 billion problem for companies in the retail business: how to tell whether their promotions really work. In the process, Infosys has also created the potential for stores and consumer-goods companies to track things like traffic and inventory in real time.

Consumers like Procter & Gamble and the retailers they sell through spend more than $100 billion per year to promote products in stores, according to Forrester Research. They pay fees for shelf space in stores, including premiums to have their products at eye level. They pay for special promotion stands. And although they pay for armies of checkers to see whether retailers follow through on the deals, it's a system fraught with error.

Infosys says that its system is completely anonymous, unless the consumer agrees via cell phone to tell the system who he or she is (and consumers can opt to identify themselves based on just their shopping-cart number). Infosys says that it will pay to install the sensors in stores, charging retailers only for the data that they want to use.

Infosys thinks that there will be many other applications it can develop for the system, such as a "perpetual checkout" service that would let shoppers ring up their goods as they put them in their carts, allowing them to walk out of the store when they are finished shopping. For apparel retailers, the company is developing smart mirrors that will recommend combinations of clothing and automatically notify salespeople to bring things for shoppers to try on.

Infosys could develop an application to let stores employ the sensor networks to manage energy usage. And it intends to open its development platform so that other companies can create applications for the service as well.

Copyright Technology Review 2008.

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