Let's talk iPhone' event by the numbers, mentioning that "the MacBook Pro and iMac are the number one best selling notebook and desktop in the United States." Apparently the Mac platform grew by 23 percent over the last year, versus a four percent growth from the PC sector. Brandishing a chart tracing the trend back five years, Cook says that Apple is now pushing 60 million Mac users worldwide, leaving Cupertino just shy of owning a fourth of the personal computer market. "There are still 77 percent of people who are buying something else," Cook said, "We have an incredibly high ceiling here. We have a long way to go."