It is the first company to successfully pivot from computer maker to device maker. And its devices are now ubiquitous, its annual new product releases are among the most anticipated in the world and it recently announced it would begin issuing a dividend to its stock owners expected to generate $10 billion in the first year alone. There is also speculation that Apple will enter into the payments market in the near future (allowing its handheld products to serve in the same fashion as a credit card). This alone would turn them into a trillion dollar company.
Source : http://www.newscientist.com