PC sales to fall and fall and fall and fall and fall for the next five years

Surfaces, iPad Pro and their ilk will do okay, bad news for all other form factors

Analyst firm IDC has issued a forecast for PC sales from 2016 to 2021, and the news is bad: shipments slipping from 2016's 435.1 million units to 398.3 million in 2021, for five-year compound annual growth rate of -1.7 per cent."