Yahoo CEO Marissa Mayer is bullish about the future of the company. At Techcrunch Disrupt, she revealed that Yahoo's monthly active user numbers are up 20% to 800 million globally, including 350 million monthly active users on mobile.
She also pointed out that these figures are increases since she took over as CEO in July 2012 and do not include Tumblr. The microblogging platform that Yahoo bought earlier this year for a cool US$1 billion.
Mayer is trying to grow the mobile team, increasing its headcount by a factor of 10 since she took over. At this rate, she predicted that it would take Yahoo three to four years to get to where they want to be, and that the company will be focusing on four "pillars": people, product, traffic and revenue.