Free?

[Chante]

Daniel Gibson wrote:
> Am 26.10.2011 23:38, schrieb Steven Schveighoffer:
>>
>> But it's much harder to reverse engineer how someone built a machine
>> than it is to reverse engineer how software is built.
>

Note that reverse-engineering is like copying someone else's homework. It 
doesn't build any engineering capability. It actually hinders such from 
occurring.

> Really?
> I guess it depends on the machine but I imagine it isn't so hard to
> dismantle a machine to find out how it works? (But I have no
> experience with that,  it's just a guess)
> Reverse Engineering software can be pretty hard if the author made it
> deliberately hard, like Skype.
>

Interesting. How did Skype's engineer make it hard to reverse-engineer? 
Have a link?