IDG Contributor Network: Should the iOS and Mac app stores have a 15 minute refund window?

Apple has had a great deal of success with its iOS App Store, and somewhat less success with its Mac App Store. But one of the common problems of both stores is the lack of usable demo versions of apps.This has led some users to buy an app while still unsure of whether it will do what they need it to do. Sometimes users get stuck with apps that looked good at first but turned out to be duds. And the user ends up frustrated about picking the wrong app.A 15 minute refund window for the Mac and iOS