According to Fox News, Amazon’s plan to launch a cloud storage service for digital music and video collections might be pie in the sky, the New York Post reported Wednesday, citing critics. The plan, which was unveiled Tuesday and already drawing fire from some of its content partners, gave Amazon a head start on rivals Google and Apple. The two Silicon Valley, Calif., digital giants were not expected to detail their own digital media storage services until their separate developer conferences. Both Apple and Google were also still seeking music licenses…Â