But once a concept becomes an article of faith, important questions and consequences tend to go overlooked.
Like many other networking ideas, peer-to-peer is not a single concept, but a wide array of technologies.
It was a fantastic concept, but a logistics nightmare.
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"There was a competitive concept but it involved a lot of stages, a lot of machines, " recalls Jean-Jacques Juillet, the director of scientific programmes at Thales Alenia Space, the company that led the industrial development of Herschel.
But it is a concept that sits ill with the theoretical underpinnings of modern macroeconomics.
We were boyfriend and girlfriend for a long, long time, but it was a totally different concept to boyfriend and girlfriend nowadays.
But if a reboot has only the concept, but not the team nor name of the original, is that good enough?
Not a novel concept for marketers, but a reality that now extends deeper into our social fabric than ever before.
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Eternal September is now somewhat of an antiquated term, but its relevance as a concept is nonetheless alive and kicking on the internet today.
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But vegetarianism is a foreign concept in most of South America.
Of course the story is fantasy but if ever such a concept existed in reality, a sprawling ranch stocked with wildlife and a bevy of fitness options would probably be the best place to train.
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Bitcoin may or may not ultimately prove to be the right implementation, but it is a compelling concept that offers a window into a potentially profound paradigm shift in how we think about the future of money on the web.
But if you have a concept for a video that is outrageously funny or wildly provocative, then you should perhaps spend the time to produce it with the intention of making something that people will pass along, thus helping you reach a large audience.
This is a great concept, but the only way to prove it is to run a phase 3 program with tens of thousands of patients over a number of years and demonstrate that the drug reduces these CV events.
This seems like a strange concept for a VC, but it actually is quite common.
The company, founded by a group of Israeli military officials and jet-turbine experts from the former Soviet Union, has built a technology demonstrator but needs a bigger partner to take the concept further.
It started as a convenience store in 1958 in California, but in 1967 it opened as a new concept in Pasadena, California.
Time Shift may only now be practical, but it was hardly a new concept.
At this stage the Airwash is a concept prototype but she believed it could one day become a commercial reality.
It seems like a basic concept but distribution is often an after-thought.
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The key is keeping the bacteria happy in their little house, warm and well fed, a simple concept but hard to do.
But the mouse, as a concept, has not fundamentally changed in eons.
Many crowdfunding solutions look and feel like communities first, building a critical mass of people interested in the concept, but IndieGoGo has always been a commercial venture.
Based on its size alone, Samsung clearly isn't targeting the entire gamut of photographers with its first Android model, but it's still far more than a proof of concept -- it'll ship, but it will be expensive, and while it's not likely to fit in your pocket, this camera is but the first in a long line of compacts to come.
Others may have a concept that works in one market, but they forget to modify the concept before trying it out in another market.
It's a long haul, but here's hoping Espoo's Morph concept inches a little closer to reality.
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But it does provide a proof of concept for using genes to predict if drugs work, an idea called pharmacogenomics.
This is a simple concept, but one which even many long-experienced asset protection planners often flub or can never get their minds around.
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