It’s been a particularly busy week for Google. Three state attorneys general, plus one from Washington, D.C., sued the tech giant, alleging it misled consumers about when they were being tracked. Google also announced this week it’s going to change the way it collects user data for advertising purposes. What’s been happening with the company this week is our focus for “Quality Assurance,” where we take a deeper look at a big tech story. Marketplace’s Kimberly Adams speaks with Patience Haggin, who covers digital advertising and privacy for The Wall Street Journal.