… them of revenue from native advertising—a sector … former politician, told the Canadian Broadcasting Corporation on Tuesday. … the “existential threat” facing Canadian newspapers.) Nordstar and Postmedia, … , “the internet in Canada will look different,” Geist …… them of revenue from native advertising—a sector … former politician, told the Canadian Broadcasting Corporation on Tuesday. … the “existential threat” facing Canadian newspapers.) Nordstar and Postmedia, … , “the internet in Canada will look different,” Geist …