Activision Eyes Subscription Fees For Guitar Hero World Tour…

Bobby Kotick, CEO of Activision Blizzard, noted during today's quarterly earnings » 11/05/08 5:20pm 11/05/08 5:20pm conference call that the publisher may begin charging for user-generated songs uploaded through 's GH Tunes service. Kotick has that GH Tunes has the "potential" to be one of the "credible alternatives to iTunes." Kotick boasted that…