Here are the four metrics every marketer should demand from Facebook

Last month, Facebook announced additional metrics to give advertisers more insight into consumer behavior, including how many visitors come to their websites after clicking on ads and whether those individuals are new or returning visitors.
Together, these metrics “help advertisers get a better sense of whether Facebook advertising is having an impact on the business”, said Shane Murphy, vice president of marketing at prospecting and retargeting platform AdRoll, adding it is &ld