Apple was founded in 1976 by Steve Jobs and Steve Wozniak. It has evolved from building computers in Jobs' garage to becoming a global leader in personal computers, smartphones, and media devices. Apple designs Mac computers and software like OS X as well as revolutionizing digital music with the iPod and iTunes store. It reinvented the mobile phone with the iPhone and App Store and is shaping the future of mobile devices with the iPad. Apple believes in focusing on great products through innovation, simplicity, and collaboration to deliver excellence. It has experienced significant growth, with net sales increasing from $20 billion in 2002 to over $180 billion in 2012.