It's no secret that the rapid shift of online activity from computers to smartphones and tablets presents a big challenge to online advertising leaders, from Google to Yahoo to Facebook. No other issue weighs as heavily on these companies' shares today as the mass move to mobile.
It's no secret that the rapid shift of online activity from computers to smartphones and tablets presents a big challenge to online advertising leaders, from Google to Yahoo to Facebook. No other issue weighs as heavily on these companies' shares today as the mass move to mobile.