Steve Jobs and Steve Wozniak started Apple in a garage in the 1970s. Today, the maker of MacBooks, iPhones, and AirPods is valued at nearly $4 trillion Apple is one of the world’s most iconic brands.

A working Apple Macintosh computer from 1984 is seen at B&R Computer Service shop in San Diego, California January 22, 2014. Friday marks the 30th anniversary of Apple Macintosh computer. Apple ...

While the company is going strong today, its success was never a sure thing.