Ron Natalie writes:

The interface doesn't need to be open. CompanyX needs to sell
the Garmins and Honeywell/Bendix/Kings, and Chiltons of the world
to convince them that they should allow the support (or push for
a standard interface). That's all part of what a free market is.
There's no artificial obstacle from someone getting into the biz
other than the fact that Jeppesen has been doing it for a very
long time.

Just like Microsoft.

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