There are and will always be steps in the sales process. They actually have changed very little since 1865, when Mark Twain created what might be one of the first sales training manuals “The Suc ...

Samuel Clemens, who was known as Mark Twain, was born in Missouri in 1835 — the year of Haley's Comet, and vowed he would live to see the comet pass over again. Indeed, Twain died in 1910 ...