I'm not sure Google can compete as much as they'd like in shopping due to antitrust issues. They acquired a price comparison company in 2011 and registered Goog

I'm not sure Google can compete as much as they'd like in shopping due to antitrust issues. They acquired a price comparison company in 2011 and registered Google Comparison Inc. They shuttered that shortly thereafter. If you look at various Google corporate registrations they've have a few of these shopping and product corporations that went nowhere.