All the bad press about Facebook might be catching up to the company. New numbers from Edison Research show an an estimated 15 million fewer users in the United States compared to The biggest drop is in the very desirable to year-old group. It revealed almost 80 percent of people in the U. The following is an edited transcript of their conversation. Kimberly Adams: In your survey you found an estimated drop of 15 million fewer Facebook users in the U. Is this a meaningful drop for Facebook? Fifteen million is a lot of people, no matter which way you cut it. It represents about 6 percent of the total U. What makes it particularly important is if it is part of a trend. Obviously, the U.