Too Long; Didn't Read
First email was sent in 1971 by computer engineer Raymond Samuel Tomlinson. Gary Thuerk of Digital Equipment Corporation (DEC) sent out the first email campaign in 1978. This first “blasted” campaign is recognized as first email spam. Jeremy Jaynes, 30, is the first person in the US to get a prison term under a US spam law. For every $1 spent on email marketing, $44 is made in return. Better data and personalization are the future of email marketing. By 2023, there will be 4.3 billion global email users.