Blockchain, predicted to be a $7.74 billion market within six years, may flip the business world on its head. Are marketers ready? What is the blockchain? Most marketers would likely answer this question by mumbling something about Bitcoin and cryptocurrency, but Jeremy Epstein, CEO of Never Stop Marketing, is a true believer in the technology. “I happen to think that this thing is the internet at exponential levels in terms of importance,” says Epstein, who recently wrote the e-book “The CMO Primer for the Blockchain World.” “My brother always says, ‘Jeremy, you drink way too much Kool-Aid. You’re totally off the deep end.’ There’s probably a lot of truth to that,” Epstein says. Les mer her