Reflections on science, technology, and computing — leavened by personal experience


There are many reasons why initial success becomes the father of later failure. Sometimes designers cling too long to old technology, sometimes companies make ill-advised leaps to new and untried technology, and sometimes leaders cling to old business models when change is essential to survival.

The history of modern digital computing is unusual in one regard. Most of its advances have occurred during the professional lifetimes of many of its current practicioners. For those of us who came of age in the mainframe era, it is instructive (and sometimes humorous) to remember what has changed.