> In fact there’s a calculation to be made - what percentage of people return or dislike their drill? If that's true, they left something out of their calculat

> In fact there’s a calculation to be made - what percentage of people return or dislike their drill? If that's true, they left something out of their calculation: What percentage of people will install an adblocker as a result of feeling like they're being hounded for a few weeks? This scenario was mentioned specifically by Tim Cook when he introduced the Safari anti-tracking features.