https://www.extremetech.com/gaming/267288-ftc-warns-companies-warranty-void-if-removed-stickers-are-flatly-illegal
origin - https://www.pipiscrew.com/2018/04/ftc-warns-companies-warranty-void-if-removed-stickers-are-flatly-illegal/ ftc-warns-companies-warranty-void-if-removed-stickers-are-flatly-illegal