Google engineer Dan Morrill in a discussion on Reddit explained the Galaxy Nexus' lack of USB Mass Storage mode in terms closer to those used for the iPhone. Since using the technique requires a space dedicated solely to storage, like a microSD card slot, it wouldn't have been possible to implement USB Mass Storage or the card slot while making the entire device's storage space available to any content, whether an app or music. Google also wanted to eliminate the need for a file manager, instead taking an iOS-like direction where users don't have to think about whe
