mpts to revisit years later, can they figure out what
their past selves had done?  Can they even find all of the necessary files to
do the work after transferring between computers and/or archiving?</p></li>
<li><p>Many methodologies and tools exist as so-called “black boxes” in which
a compiled program accepts a set of inputs, does some hidden work, and then
returns processed results.  While this provides a means of sharing the
capability, it obscures the methodology making it difficult for users to wo