"A fanciful speculation about the metaphoric reason for the adoption of spamming by the computer world can be found in the excellent Newton’s Telecom Dictionary, sixteenth edition: “the term is derived from a brand of pink, canned meat that splatters messily when hurled.”"
"Which of the packers, who protested against the Meat Inspection Bill, would care to have his name made public; and which of the lawyers and of the accomplices in the lobby and in Congress would care to have it known that he used every means, fair and foul, to prevent depriving the packers of the privilege of canning bad meat for Americans, although foreigners insisted that the canned meat which they bought should be whole some and inspected?"