SUSAN KRASHINSKY - MARKETING REPORTER

Even before the array of online ads stalking consumers at every turn, and even before the rise of digital ad blockers, back in the Mad Men era, legendary copywriter Howard Gossage said “the very bulk of advertising is its worst enemy because somewhere along the line an immunity starts building up against the irritation.”

http://www.theglobeandmail.com/report-on-business/industry-news/marketing/tried-and-true-marketing-tricks-still-have-a-place-in-the-digital-age/article30178905/