The present invention relates to a method for transferring content to a device, the method including the steps of: receiving a request for content from the device; delivering a uniquely identifiable, ephemeral player to the device; and transferring content to the device, for presentation on the device by the player. The invention has particular application to digital rights management in respect of the distribution of audiovisual content such as film and television programs, advertisements and live event broadcasts over communication networks such as the Internet.