Humans’ resistance to change is wreaking havoc on marketers yet again. In response to Facebook’s latest algorithmic update to its news feed, professionals everywhere predict the world’s biggest social platform will house a lot less organic traffic and customer engagement.  But, as usual, the predicted gloom and doom isn’t exactly...

It’s no secret that it’s easier — and cheaper — to retain the customers you have than it is to acquire new ones. In fact, a study by Northwestern University’s Center for Retail Management found that up to 15 percent of a company’s most loyal customers account for between 55...