Exactly! Efficient market hypothesis virtually demands this and instructs us that economies should be run by the free market because by acting on the informati

Exactly! Efficient market hypothesis virtually demands this and instructs us that economies should be run by the free market because by acting on the information via the market we disseminate information about the supply/demand of goods and their alternative uses. By buying iPods under warranty he puts upwards pressure on price, disseminating information that an iPod under warranty is more valuable.