Apple marks 50 years since its founding, highlighting its evolution from the iMac to the iPhone, and its leaders, including Steve Jobs and Tim Cook. Apple marks the 50th anniversary of its founding on April 1. The tech giant is one of the world's most valuable companies, known for innovative products like the iMac, iPhone, and iPod. Its storied past is one of incredible highs, including a $4 tril... [789 chars]