Sun's Modular Container Documents posted on Oracle site, is a document confidential if you post it on a public site?

One of my data center friends and I were chatting about who has the data center container (modular) data center market.  HP, IBM, and Dell are in the conversations as well as a few other guys.  And, then he mentioned how many Sun MD20 boxes he has seen.  Being one of the first to market, Sun had had the ability to meet and create a market.

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Curious I ran a Google Search on Sun modular data center and what showed up is Oracle's posting of the following documents.

Sun Modular Datacenter S20

Sun Modular Datacenter S20 and D20 Documentation

Sun Modular Datacenter S20/D20 Product Notes PDF
Sun Modular Datacenter S20/D20 Overview PDF
Sun Modular Datacenter S20/D20 Site Planning Guide PDF
Sun Modular Datacenter S20 Getting Started Guide PDF
Sun Modular Datacenter S20 Fiber Cable Connector Options Guide PDF
Sun Modular Datacenter S20/D20 Rack Dolly Guide PDF
Sun Modular Datacenter S20 PDU and Power Strip Options Guide PDF
Sun Modular Datacenter S20 Electrical Disconnect Option Guide PDF
Sun Modular Datacenter S20 Fire Suppression Guide PDF
Some of these documents say Sun Confidential.  Like this one.
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But, if Oracle posts a document on a public web site can they hold the reader to confidentiality agreement?
These documents are old, but probably still useful for some people.
Here is the last post on Blackbox.
Sun Modular Datacenter
It's a Datacenter ... in a Box

Tuesday Mar 24, 2009

What a Difference a Year Makes

When we announced Project Blackbox in late 2006, one of the first competitors to jump on the containerized datacenter bandwagon was Rackable Systems. Given their reportedly tight sales relationship with Microsoft and Yahoo!, one would expect that they would parlay this relationship into revenue sales for their containerized solution.