A DV camera 38 provides DV data recorded on a tape 52 to a PCI bridge 43 through a DV data output terminal 57 while decompressing the DV data. At least one encrypted data packet is received. The invention also relates to a method of removing etching residue from a semiconductor substrate. Use of the sleeve reduces the risk of injuring tissue surrounding the tissue tract by lessening the axial forces imparted to the tissue. As another example, a tile-based approach to organizing groupings of songs is provided. Furthermore, the system and method of the present invention enable the content publisher of the electronic content to analyze activity associated with its storage and sharing.