Lots of companies do it, most of which are not as dominant as FB and Google https://www.cii.org/files/3_17_17_List_of_DC_for_Website(1).pdf https://www.cii.org/

Lots of companies do it, most of which are not as dominant as FB and Google https://www.cii.org/files/3_17_17_List_of_DC_for_Website(1).pdf https://www.cii.org/files/3_17_17_List_of_DC_for_Website(1).... It only really requires that shareholders trust the owners of the special class shares.