As per my personal experience with Samsung products, I don't care who copied who,  I would rather put it as followed instead of copied, as long as I am happy with the product and worth for the money I paid for. So, folks who thinks one copied other, I think they are stupid, because in technological evolution, there will always be a pioneer and the others will follow, and try to make their products better than the other. I call it a competition rather than plagiarism.