While he was alive, I claimed that Steve Jobs changed the world more than any other living person.
I still believe it.
You could list the technologies that Apple pioneered and/or popularized (continually, since the beginning of personal computers). And then talk how dependent we are on those technologies.
You could list the design ideas that Apple pioneered and/or popularized. And then talk about how far those ideas reach — into print, automobiles, household appliances, etc.
You could list the principles that Steve Jobs never wavered from. And then look at the products and success that his discipline wrought.
You could also just look at the shameless copying that other tech companies do:
(via: Daring Fireball)