Mac’s share falls to five-year low

Apple's Mac share of personal computers worldwide fell to a five-year low in December, mimicking the company's own numbers that have portrayed a four-quarter sales slowdown.
According to web analytics vendor Net Applications, Apple's desktop and notebook operating system -- formerly OS X, now macOS -- powered just 6.1% of all personal computers last month, down from 7% a year ago and a peak of 9.6% as recently as April 2016.
Net Applications measures operating system user share -- an estimate o