Methods and apparatuses for activating an electronic tag with an identifier via an access to a storage area of the electronic tag without database or authentication operations are described. The memory device includes a plurality of decoders, including i) first decoders coupled to the first lines and ii) second decoders coupled to the second lines, for accessing any one or more of the memory cells in any order. The content providers benefit from the flexibility of content use, while the user can enjoy playing media without interruptions. An image cropping unit extracts only the image data in the specified cropping areas. Novel selective adsorption materials suitable for the process, and a process for the preparation of such selective adsorption materials, are also disclosed.