The Wall Street Journal’s Jessica E. Vascellaro discusses Apple’s interest in expanding the use of Mac computers: “Named ‘Mountain Lion,’ the new version of OS X is the clearest sign yet of Apple’s belief that the mobile, laptop and desktop world are destined to converge—and that Apple wants to be a catalyst. ‘We see that people are in love with a lot of the apps and functionality here,’ said Mr. Cook, 51 years old, pointing at his iPhone. ‘So, anywhere where it makes sense, we are going to move that over to Mac.’ “