The best way to learn how to use protobuf is to follow the tutorials in our developer guide:
https://developers.google.com/protocol-buffers/docs/tutorials
If you want to learn from code examples, take a look at the examples in the examples directory.
The complete documentation for Protocol Buffers is available via the web at:
https://developers.google.com/protocol-buffers/