Spotify has been hacked and at least one user's data has been accessed, according to the music streamer. Spotfy says it has launched an investigation and believes that the breach only involves one user. Nevertheless, Spotify strengthening its security and saying that all Android users will be asked to update their apps within the next few days. From the Spotify blog: "As an extra safety step, we are going to guide Android app users to upgrade over the next few days. If Spotify prompts you for an upgrade, please follow the instructions. As always, Spotify does not recommend installing Android...