Final answer:
Boundaryless retailing is the concept where technology enables customers to shop from anywhere in the world, transforming traditional market boundaries and increasing global competition.
Step-by-step explanation:
The concept that describes the customer shopping experience happening anywhere through the use of various technologies is known as e) boundaryless retailing. This modern retail model has emerged due to the significant shifts in technology and globalization that have transformed traditional market definitions. Through advancements like the internet, customers can have a shopping experience without being physically present in a store, allowing them to purchase items from all over the world. This model removes the traditional boundaries of retail and is shaped by the consumers' need for convenience and efficiency, competing with local businesses and changing consumer behavior.