What form of play does King Oil and Personal Preference have in common?
Personal Preference Personal Preference is a 1987 board game created by Donal Carlston that involves guessing the order in which a player prefers foods, activities, people, and other items compared to one another. The game was published by Brøderbund Games in the United States, Playtoy Industries in Canada, and Parker Brothers International in Britain.
Pure play A pure play company is a company that focuses only on a particular product or activity. Investing in a pure play company can be considered as investing in a particular commodity or product of a company.