Final answer:
An architectural innovation is a new product that uses existing technologies in a novel way to create new markets. The correct option is A. A new product in which existing technologies are used in a novel way to create new markets.
Step-by-step explanation:
An architectural innovation refers to A. A new product in which existing technologies are used in a novel way to create new markets. This type of innovation takes existing technology and applies it in a unique manner to fulfill market needs or create new markets entirely.
Examples can include the repurposing of technologies found in one product to improve or disrupt other sectors, such as utilizing GPS technology, originally developed for military navigation, in consumer smartphones for location-based services.
It contrasts with more incremental improvements or radical innovations that derive from a completely different knowledge base.
The essence of an architectural innovation lies in its ability to repurpose what's already known, presenting it within a different architectural framework to create something perceived as new by the market.