Tsukayama points to the disorganized nature of Yahoo's main page, and CEO Mayer's failure to use acquisitions such as Tumblr and Summly and investments in Couric and other journalists to enhance the news aspects of the page. Mayer appears to have gone off in many directions without any focus on how this would enhance readers experience in looking at Yahoo's main page. How Yahoo continues to draw as many as 618 million unique visitors in October 2015, as reported by ComScore, remains a mystery considering these shortcomings.