Insights

If your customer acquisition depends on targeting anonymous visitors across the web, it's time for a new playbook.

For a decade, marketing wisdom said: "Brand building is for companies that can't measure ROI. Smart marketers focus on performance."

Here's a number that should terrify you: The average e-commerce brand now loses $29 for every new customer acquired. That's up from $9 just eight years ago.

That first-page ranking you've been fighting for? It might not matter much longer. Here's what you need to know about the biggest shift in search since Google itself.