No. You're correct. GPS is the culmination of 50 years of work in radionavigation, and it wasn't the first satellite navigation system either.
As so often, the refinement of the technique makes it so widely available and effective that, without being revolutionary in principle, it becomes revolutionary in effect.
Telecommunications is like that. A century ago a telex from Australia to England could make it from desk to desk in under an hour. The Internet is not revolutionary in that sense. And yet it is revolutionary anyway.
As so often, the refinement of the technique makes it so widely available and effective that, without being revolutionary in principle, it becomes revolutionary in effect.
Telecommunications is like that. A century ago a telex from Australia to England could make it from desk to desk in under an hour. The Internet is not revolutionary in that sense. And yet it is revolutionary anyway.