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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.
When the technology was founded: 1980 onwards, at least in popular culture.
Why the technology will be around for another 20 years: Email has vastly shifted from a static and restricted technology, chaining employees and consumers all over the world to a desktop machine, to a dynamic and fluid operation where it is common practice to send and receive emails on the go.
Email is here to stay, and won't be going out of fashion any time soon. Even Facebook and social networking and social media won't kill off the backbone of all Internet communications.