<http://schema.org/description>
"Steam has announced new Steamworks tools for developers that will allow them to discount their own games when and how they like. Developers can choose to participate in weeklong deals, add custom discounts, and schedule sales up to two months in advance."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pcgamer.com/new-steam-tools-allow-developers-to-set-their-own-discounts-plan-sales/>