On Thursday, however, questions abounded as to whether the service will amount to simply a "me too" move, following Apple and Amazon's well-worn trail through the digital-music forest, or a significant step toward making Google an e-music player.

CNN: Google Music: iTunes for Android or something more?

"We did lot of work on creating a completely digital environment - the entire field, the forest in the background is completely digital - and on digital doubles, digital replacements for humans, " she said.

BBC: Hollywood FX queen home to boost

The world of digital storage devices is often more like a living forest than single battle between competing technologies.

FORBES: Digital Storage Needs the Right Stuff