For junior developers in 2010, this was a magic cloak. It demystified the box model in a way that textbooks never could. It allowed you to visualize layout collapse without constantly refreshing a browser. Adobe wasn't just building a code editor; they were building a learning tool.
No retrospective on CS5 is complete without mentioning . Adobe’s attempt at an AJAX framework (pre-Angular/React) allowed users to create rich interfaces: accordions, tabbed panels, and data sets without writing JavaScript. adobe dreamweaver cs5