In the 21st century, products for HDDs have long-drawn-out to comprise digital video recorders, digital audio players, personal digital assistants, digital cameras and video game gadgets.. In 2005 the primary mobile phones to include HDDs were initiated by Samsung and Nokia. The requirement for across-the-board, reliable storage, independent of a particular device, directed to the launch of configurations such as RAID arrays, network attached storage (NAS) techniques and storage area network (SAN) systems that impart well-organized and dependable access to huge volumes of data. Make a note of that even if not right away recognizable as a computer, all the abovementioned treatments are in reality embedded computing devices of some sort.