Here’s a straightforward stacked area chart from the Economist that shows shifting market share in the technology sector. It highlights the quick shrinkage of IBM in the 1990s, Microsoft reign soon after, and the apple surge mid-2000s. Be sure to look at the nominal and real views too, because even though relative dominance shifted, the sector as a whole is up and up.
Technology sector, share of market over time
Years You Have Left to Live, Probably
The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.
Shifting Incomes for American Jobs
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.