It was a pretty long time ago. On the order of years for sure. My "first blush" subjective guess would be that it was around eight or nine years ago. Edit: Ba

It was a pretty long time ago. On the order of years for sure. My "first blush" subjective guess would be that it was around eight or nine years ago. Edit: Based on this old post, it looks like it was at least ten years ago now. https://news.ycombinator.com/item?id=2710225 https://news.ycombinator.com/item?id=2710225 Further edit: Here's what appears to be the original thread (from 2009) where pg announced the change. https://news.ycombinator.com/item?id=844979 https://news.ycombinator.com/item?id=844979 And another long thread of discussion on this topic from back in the day: https://news.ycombinator.com/item?id=2485029 https://news.ycombinator.com/item?id=2485029