<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Nick, <div class=""><br class=""></div><div class="">Many years ago I asked this question of an IT person in Austin (little different, about distributed objects), and he pointed me at this book, which I dutifully got and read:</div><div class=""><br class=""></div><div class=""><a href="https://www.amazon.com/Essential-Distributed-Objects-Survival-Guide/dp/0471129933" class="">https://www.amazon.com/Essential-Distributed-Objects-Survival-Guide/dp/0471129933</a></div><div class=""><br class=""></div><div class="">This must be, what, 1995?</div><div class=""><br class=""></div><div class="">It’s also kind of a juvenile style, and doesn’t go very far, but somebody made the effort to write down a systematic narrative.</div><div class=""><br class=""></div><div class="">All best,</div><div class=""><br class=""></div><div class="">Eric</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 17, 2018, at 10:06 PM, Nick Thompson <<a href="mailto:nickthompson@earthlink.net" class="">nickthompson@earthlink.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Dave, and anybody else who wants to play.<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I have always been puzzled by the question of how one distinguishes an object in object programming from a utility in DOS or a tool in Matlab. Or any mathematical function, for that matter. You give it what it needs, and it gives you what it’s supposed to, and you don’t give a damn how it works.<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Please don’t yell at me.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Nick<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Nicholas S. Thompson<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Emeritus Professor of Psychology and Biology<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Clark University<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><a href="http://home.earthlink.net/~nickthompson/naturaldesigns/" style="color: rgb(149, 79, 114); text-decoration: underline;" class="">http://home.earthlink.net/~nickthompson/naturaldesigns/</a><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; 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