I'm not convinced that percent of ad spots is the right measure of market share. But it's paywalled, so who knows. Edit: ok so it's 98% of 2500 arbitrary keywo

I'm not convinced that percent of ad spots is the right measure of market share. But it's paywalled, so who knows. Edit: ok so it's 98% of 2500 arbitrary keywords. Come on now, that's obviously a bs metric.