> then you are fine if google, Facebooks, Microsoft also put checks in their commits and limit features only if the code runs in their OS,browser,site In my ex

> then you are fine if google, Facebooks, Microsoft also put checks in their commits and limit features only if the code runs in their OS,browser,site In my experience some FB features (notes, maybe video) refuse to work on Firefox on *BSD. I tell it to lie about my UA and say that it's linux, everything works.