Writes per second de Kafka:
https://engineering.linkedin.com/kafka/benchmarking-apache-kafka-2-million-writes-second-three-cheap-machines

Richard Stallman come cosas de su pie:
https://www.youtube.com/watch?v=zQxKURvE9iI

Charla de Martin Kleppmann sobre Event sourcing / Kafka / Samza:
https://www.youtube.com/watch?v=fU9hR3kiOK0

Como poner comentarios en json (hack de Pablo):
https://gist.github.com/fernandezpablo85/0da32e6fcbbd943bf2ca16fedcc19a34