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Companies use Java instead of Puppet? How does the conversation go where you even start to compare those two things?

"Hey do we have $X million for Opsware?"

"Sure thing."

"Damn it feels good to be a banker."

For robotics, see Artoo: http://artoo.io/

Does it help that I know far more companies using Chef and Puppet for that then Python and Java?

Depends, do they have a fraction of the IT staff that Tivoli and Opsware users have? I'm guessing not.

I usually work for DAX companies. Yes.

My point was that your personal sample is most probably irrelevant.

I've been doing some robotics stuff using my arduino and ruby via the dino gem (https://github.com/austinbv/dino)

http://www.rubymotion.com/ is an increasingly big deal for iOS (and now Mac) development.