>""x nanometer" has became a technically meaningless trademark solely exists for indicating new generations of process for marketing since ~2009's introduction

>""x nanometer" has became a technically meaningless trademark solely exists for indicating new generations of process for marketing since ~2009's introduction of FinFET." What is the connection between the introduction of the FinFET and the nm process number becoming a meaningless distinction? Might you or anyone else elaborate? Thanks.