I said closed, not closed source. Closed in the exact sense you are talking about: you don't own your data, you can't transfer in or out with ease, and you can'

I said closed, not closed source. Closed in the exact sense you are talking about: you don't own your data, you can't transfer in or out with ease, and you can't bring your own user agent without breaking the ToS. https://en.wikipedia.org/wiki/Closed_platform https://en.wikipedia.org/wiki/Closed_platform