Rather, they're in a somewhat precarious position. Almost all of their revenue is from phones and the services that are tied to those phones, which perform better as a lifestyle product than a productivity product. They are in a position where either a market change in what kind of hardware we use to communicate or a stylistic change in lifestyles people wish to portray could collapse their revenue.

For an excellent view on how established players miss market changes, check out The Innovator's Dilemma, by Clayton Christensen.