Not a very in-depth article, but one interesting to me due to the sheer oddity of intelligent people going into advertising.
By itself, all that data is useless, naturally. That’s why numbers people are in such high demand—not just any numbers people, but creative quants who can keep pushing online ads to the next, more sophisticated level. They are drawn to advertising not just for the job prospects but also for the creative challenge—and they’ll take a considerable pay cut versus similar jobs in financial services.