Apple, Google and Facebook generate a lot more buzz in the tech space than IBM these days, but Big Blue’s track record outshines all of these younger players when seen from the wide-angle lens of history. In fact, IBM’s is one of the greatest (and, yes, less well-known) stories of American capitalism. At its 100-year milestone, IBM shows us what it takes to outlast depression, war, and intense competition in order to remain a market leader in the midst of ongoing technological innovation. Here are several lessons worth sharing.