Apple users are holding onto their devices for increasingly long periods of time as upgrade cycles slow, data from Consumer Intelligence Research Partners (CIRP) suggests. In recent years, a shift has occurred in the behavior of Apple customers, who are increasingly opting to retain their iPhones, iPads, and Macs for extended periods before upgrading. In the most recent 12-month period, 71% of iPhone owners and 68% of Mac owners reported that their previous device was over two years old, up from...