In its case targeting how Google buys and sells online advertising in Canada, the Competition Bureau says the company "has abused its dominant position." But those who study the tech giant say reducing its market influence won't be easy.

The Competition Bureau is suing Google over alleged anticompetitive conduct in the tech giant’s online advertising business and wants the company to sell off two of its services and pay a penalty.

Vice-president of global ads at Google said the complaint ‘ignores the intense competition where ad buyers and sellers have plenty of choice and we look forward to making our case in court’