Successful CMOs achieve growth by leveraging technology. Join us for GrowthBeat Summit on June 1-2 in Boston, where we'll discuss how to merge creativity with technology to drive growth. Space is limited. Request your personal invitation here! VB INSIGHT: Email service providers are a business unto themselves. But maybe not for long. The growing ecosystem of marketing automation platforms are a growing threat to ESPs. According to a our recent report, 77 percent of marketing automation users use it in place of an email marketing tool. Only 13 percent use marketing automation in tandem with an email marketing tool.