There is provided a fixing device configured to thermally fix a developer image onto a sheet, the fixing device including: a flexible tubular member; a nip member; a backup member; a first member: a second member: a biasing member; and a transmission member. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has from about 1,000 ppm to about 10 percent by weight oxygenated hydrocarbon. The isochronous data channel includes a linked list of buffers which are used as temporary storage locations for data transmitted on the isochronous data channel. The method includes selecting particular content of the content available via the network for presentation via a display device.