It's hard to talk about Stewart Butterfield without getting into his unorthodox path to the heights of tech. The Canadian entrepreneur spent his early childhood without electricity, taught himself to code, and studied philosophy at Cambridge before falling into a tech career that’s now pitting him against Microsoft and Google. Butterfield’s biggest business success, Slack, is a corporate communications tool aimed at reducing some of the 269 billion emails sent around the world each day. He joined us at the latest RBC Disruptors.

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