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When the technology was founded: 19th century, part of Charles Babbage's Difference Engine.
Why the technology will be around for another 20 years: To put it simply and bluntly, how else would we get stuff out of the computer?Printers are absolutely vital to our everyday living and working. Without them, there would be no such thing as a 'papertrail' and there would be nothing to screw up in a moment of frustration to throw at your co-workers. The fact of the matter is, unless we suddenly all ditch the very notion of paper altogether - which is unlikely to ever happen, then printers will remain a vital part of our technologically progressive society.
When the technology was founded: The 'modern' television was born in 1926.
Why the technology will be around for another 20 years: Radio and television has supported the world in times of crisis and in times of joy. Even though technological developments have changed the way we listen to radio and in particular television, the window to the world is still ever present in all but every household in the modern world.
Though on-demand media and 'broadcast control' technology like Sky+ and TiVo has brought an extra dimension of command to our television broadcasts, the key element is the set itself. It's not going anywhere any time soon.
When the technology was founded: In the late 1950's and early '60's.
Why the technology will be around for another 20 years: Though you may not think it, optical media is still one of the most predominant of all storage mediums, besides the hard drive.
The problem the optical disc faces is the rise of non-optical reading equipment in modern technologies, like smartphones and more specifically, many netbooks. Though, this should not deter fans of optical media for the simple fact that so many alternatives are available for say netbook users, such as the download.
But nevertheless, optical media in its simplest form is slim, compact - hence the name, and easy to transport. Sure, it isn't as small or as sleek, or necessarily as to capacity as some flash drives, but they are far cheaper to manufacture and constantly evolving into larger storage mediums. Just compare a 700MB CD-ROM to a 4GB Blu-ray.