I agree open has become newspeak and we have to be more precise: - published: you can use it to get some data and it is documented - transparent or reversible

I agree open has become newspeak and we have to be more precise: - published: you can use it to get some data and it is documented - transparent or reversible: you can get your data back - interoperable: you can implement the API on your own and interoperate with other users/servers