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Re:What I Wish I Had Known Before Scaling Uber [video] by eric_the_read on Wednesday September 28, 2016 @11:38AM (#12598528)
Amusingly, I've just finished trying to convince a team using C in their firmware to use Protobufs; they were trying to convince me to use JSON.

Oh, and my servers are in Ruby.

Re:What I Wish I Had Known Before Scaling Uber [video] by seangrogg on Wednesday September 28, 2016 @01:47PM (#12599715)
Protobuf v3 allows use of JSON and gRPC for Node.js handles JavaScript objects quite handily. Might not be mutually exclusive.