Marketers: Email prompts are trendy but dangerous

GUEST: It’s trendy for marketers to BAM-KAPOW their visitors with pop-up pleas to “JOIN OUR MAILING LIST!” These animated boxes, powered by hot startups like SumoMe and OptinMonster, promise a firm ROI handshake. In exchange for a smidgen of JavaScript, you’ll receive a lifetime of customer correspondence. But hold onto that handshake a little longer and […]