The display ad network they hoped to create has so far failed miserably. Being the #1 search engine is easy. Trying to make money from a challenging display marketplace where you’re not the dominant player is an entirely different story. … It’s a company which has been run by engineers since day one, with little thought to product management, business process and direct sales. That served them well in the glory days, but are Eric, Sergei and Larry the ones to lead them …

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Google Kills A Bunch Of Products That Made It No Money (GOOG)