You are bombarded by millions of impressions a week. Some of those impressions are bound to land on one of your areas of interests and begin to distract you.
It is not just marketers who spend tons of time and money to understand your preferences; friends, family, coworkers, social and professional networks do it, too. All are seeking to accomplish their goals, which don’t necessarily align with your goals. What are you doing to defend yourself from this bombardment, so that you can accomplish your goals?