> At what point does a company cross the line and become one that the EU feels can no longer promote their own product? When a company uses a monopoly in one f

> At what point does a company cross the line and become one that the EU feels can no longer promote their own product? When a company uses a monopoly in one field (web search) to boost their other businesses. It's the same when Microsoft were convicted in the US of using the desktop OS monopoly to boost their web browser business.