On cellphones, longer news stories get about twice the engaged time from readers as shorter pieces do. They also get roughly the same number of visitors.
The recently announced iPhone 4S triggered huge anticipation online last week, with many tech bloggers expecting an iPhone 5 instead. Changes to social networks Facebook and Google+ also fueled the online conversation. And the protests on Wall Street were among the top subjects on YouTube and Twitter.
Lee Rainie will speak to advertising executives and researchers and explore how people use digital technology and how that makes audience measure more complicated than in the past. The good news is that the coming exaflood of data will give everyo…