What is labeled A in this diagram? 
Definitions:
Convergence
The tendency of different technological systems to evolve towards performing similar tasks or to integrate and synergize functions, leading to the merging of technologies, industries, or devices.
Engage Fans
Strategies or actions taken by brands, celebrities, or organizations to interact with and increase the involvement of their audience or supporters.
A social networking platform that allows users to connect, share, and communicate online, now a part of Meta Platforms, Inc.
Brand Managers
Professionals responsible for the development, marketing, and overall management of a brand to ensure its success, recognition, and positive perception.
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