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When the technology was founded: For the person on the beat, and not in a vehicular setting, around 1973.
Why the technology will be around for another 20 years: Not only are mobile phones a means for communicating via voice from one person to another, but the technology surrounding these 'sacred-in-modern-times' devices has long been a platform to expand existing technology.
Only in our lifetimes, the Generation Y have seen cellphones develop into smartphones; a platform for which technologies are added to and the experience of the device enhanced significantly.
The very notion of cellphones becoming moulded into the human design are all but nonsense. Mobile phones nowadays are beyond 'making a phone call' and more a personal assistant-like device, allowing communications beyond the phone call or text message.
Cellphones may not last another 20 years, but smartphones will.
When the technology was founded: Dial-up internet, predating the dawn of the web. Around the 1950's at the earliest.
Why the technology will be around for another 20 years: The fact that in recent months, dial-up internet access was used in some of the rebelling Arab states, like Tunisia and Egypt, when their governments cut off access to web-based media, shows how important dial-up access is as an ultimate 'backup' solution.
For nations and states who have yet to reach Western modernity, in technology and culture, repressed by their own states, dial-up access is still used across vast areas where broadband and faster internet access is unavailable.
While for many in the Western world, broadband and fiber connectivity may be at the forefront of our minds, still a great number of those in the developing world rely on dial-up connectivity.
When the technology was founded: 1995. Not quite 20 years old, though.
Why the technology will be around for another 20 years: Java is integral to so many devices and applications, on hardware and software systems alike. From Blu-ray players to mobile devices, cars and desktop operating systems and cloud-based applications, Java is absolutely everywhere.
And for that reason alone, it is all but indispensable to our every day working and leisure time, and is why Java will - not might - last another 20 years at very least.