Dive into a comprehensive video tutorial on gRPC (gRPC Remote Procedure Calls), exploring its motivation, modes, and practical applications. Learn about the challenges with client libraries, understand different gRPC modes including unary, server streaming, client streaming, and bidirectional communication. Follow along with a hands-on coding example, and analyze the pros and cons of implementing gRPC in your projects. Discover why creating your own protocol might not be the best approach, and gain insights into the benefits and limitations of this open-source RPC system developed by Google.