If you have ever hand-written networking code to talk to a backend, you know the pain. You read some documentation, design your request and response types, write the URL handling and JSON decoding, and eventually get something that seems to work. Then the API changes, the docs fall behind, a field gets renamed, and suddenly your app is silently failing in production. gRPC removes most of that friction. Instead of treating server communication as a pile of HTTP endpoints and hand-rolled models, g