Create retail.md

USE-CASES/retail.md

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+## Title: Retail
+
+### Submitter(s): 
+
+David Ezell, Michael Lagally
+
+### Reviewer(s):
+
+<Suggest reviewers>
+
+### Tracker Issue ID:
+
+
+### Category:
+
+<please leave blank>
+
+### Class: 
+
+<please leave blank>
+
+### Status: 
+
+<please leave blank>
+
+### Target Users
+
+Retailers, customers, suppliers.
+
+### Motivation:
+
+Integrating and interconnecting multiple devices into the common retail workflow 
+(i.e., transaction log) drastically improves retail business operations at multiple levels. 
+It brings operational visibility,including consumer behavior and environmental information, 
+that was not previously possible or viable in a meaningful way. 
+
+It drastically speeds up the process of root cause analysis of operational issues and 
+simplifies the work of retailers.
+
+### Expected Devices:
+
+Connected sensors, such as people counters, presence sensors, air quality, room ocupancy, door sensors. 
+Cloud service.
+
+### Expected Data:
+
+Inventory data, supply chain status information, discrete sensor data or data streams.
+
+### Dependencies:
+
+<List the affected WoT deliverables>
+tbd
+
+### Description:
+
+Falling costs of sensors, communications, and handling of very large volumes of data combined with cloud 
+computing enable retail business operations with increased operational efficiency, better customer service, 
+and even increased revenue growth and return on investment.
+
+Accurate forecasts allow retailers to coordinate demand-driven outcomes that deliver connected customer interactions.
+They drive optimal strategies in planning, increasing inventory productivity in retail supply chains, 
+decreasing operational costs and driving customer satisfaction from engagement, to sale, to fulfilment. 
+
+Understanding of store activity juxtaposed with traditional information streams can boost worker and consumer safety, 
+comply better with work safety regulations, enhance system and site security, and improve worker efficiency 
+by providing real-time visibility into worker status, location, and work environment.
+
+### Variants:
+
+-
+
+### Gaps:
+
+<Describe any gaps that are not addressed in the current WoT work items>
+tbd
+
+### Existing standards:
+
+<Provide links to relevant standards that are relevant for this use case>
+tbd
+
+### Comments:
+
+