Apple iPhone update aims to encourage more organ donors

Apple wants to encourage millions of iPhone owners to register as organ donors through a software update that will add an easy sign-up button to the health information app that comes installed on every smartphone the company makes.CEO Tim Cook says he hopes the new software, set for limited release this month, will help ease a critical and longstanding donor shortage. He said the problem hit home when his friend and former boss, Apple co-founder Steve Jobs, endured an "excruciating" wait for a l