Back in the early days of HyperCard, I was browsing its scripting language. When I discovered "mouseEntered," I had an epiphany. I could use this feature to m

Back in the early days of HyperCard, I was browsing its scripting language. When I discovered "mouseEntered," I had an epiphany. I could use this feature to make deeply interactive geologic maps. I built my professional reputation doing this. People thought I was an exceptional programmer. Not so. I was just first to use someone at Apple's brilliant work.