In 3, mine sweeper and solitaire where added to teach people how to use a mouse. Ads, slow loading and what not would have gotten in the way of doing their job

In 3, mine sweeper and solitaire where added to teach people how to use a mouse. Ads, slow loading and what not would have gotten in the way of doing their jobs. Once computers (especially windows) became ubiquitous they had to pay for themselves since user training wasn't picking up the bill anymore .