Prompted by TV and advertising clients, Nielsen plans to launch its mobile ratings this fall. However, the company says that factoring mobile phones and tablets into TV measurement will roll out slowly based on relatively low adoption and the common practice of time-shifting. According to Nielsen, live TV viewing has remained constant over the last three years, while time-shifting has increased 30 percent — something to consider since most mobile viewing takes place outside of the same-day ratings window. Continue reading Nielsen to Roll Out Mobile Ratings This Fall, Slowly at First