Junk emails are about to迎来welcome the 30th anniversary without the global netizens realizing it. According to relevant experts, as far as we know at this stage, the first junk email was sent on May 3, 1978. The sender of that email was a marketer from the American Digital Equipment Corporation (DEC), and the recipients were about 400 customers or potential customers on the west coast of America. The content invited the recipients to attend a product promotion event with a free lunch provided. Nowadays, although the Digital Equipment Corporation was once well-known, it no longer exists. "Junk mail" has long existed in regular paper form...