BizSugar.com › Advertising › Big data, advertising and why Facebook thinks I’m gay

In fact, it’s the last category of online advertising that is growing the fastest. Which really should come as no big surprise since most of us are now spending as much, if not more time, online than on any other medium. Digital advertising, including ads on desktops, laptops, smartphone and tablets has grown to a well over $160 Billion industry itself. And is quickly taking more and more of the share of advertising dollars.

So how exactly do advertisers decide where and who to advertise to?