[rchaud]

There are good articles that talk about what the difference between 1.0 and 2.0 were. The transition was definitely more fluid than what numbers like "1.0" might indicate.

Web 2.0 for me was dynamic web apps like Google Docs that refreshed in real-time. Streaming video and web games were also a big part of this. The early Youtube and Dailymotion sites used Flash until HTML5 support was widespread enough to deprecate it.