Few companies have managed to define how people use technology in their everyday lives as resoundingly as Apple. The company, which celebrated its 50th birthday this week, was started by two Steves in a San Franciscan garage. It has had some truly standout successes - and some notable flops. These days, nearly one out of every three people on the planet owns an Apple product - a success that Emma Wall, chief investment strategist for financial services company Hargreaves Lansdown, said had as