> Add in OEM machines and you've got a base of computer users in maybe the 100-200 million range Annual PC shipments are still around a quarter-billion units.

> Add in OEM machines and you've got a base of computer users in maybe the 100-200 million range Annual PC shipments are still around a quarter-billion units... They've been over 200 million each year for the past 30 years. Peaked at 364 million in 2011.