More and more people are aware of it ... but I think very few have used it.

Of the users, very few have used it enough to become aware of what it can do.

You need to be fairly computer-literate - and dare I say imaginative - to evaluate it ... and more importantly, the potential of the technology.

The technology will advance for ever .. and as Asimov's Multivac once said: "Forever is a long time."