As Stone told me, they experienced five to six times more traffic than he had estimated, meaning that almost immediately after email was introduced at IBM, the volume of internal communication exploded. A closer examination revealed that not only did people send many more messages than they did in the pre-email era; they also began cc’ing these messages to many more people. “Pre-email, simple communication was largely person-to-person,” Stone told me. After email, these same conversations now unfolded over long back-and-forth threads including many different people. “Thus—in a mere week or
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