Yahoo was always a technology company trying to be a media company, when being a media company is no longer respectable. At a time when there is so much opportu

Yahoo was always a technology company trying to be a media company, when being a media company is no longer respectable. At a time when there is so much opportunity, why isn't Yahoo even wading into mobile or social? A CEO's job isn't only to focus on core competencies if the core business is losing lustre. A CEO's job is to look for new markets, and build up the competencies.