The CICS folks (www.ibm.com/cics) are very gracious and provide links to the IMPACT (2007) presentations. I assume that "soon" there will also be a link for the IMPACT 2008 presentations.
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Some time back (could be a year or more) there was a discussion in the listserver and I thought here as well about the history of MQ. It was settled by a forer developer responding with the correct hi ...