Re:"Flow is a project of the Core features team at the Wikimedia Foundation to build a modern discussion and collaboration system".
This system doesn't look very "modern" to me at all! Over half of my 1920 by 1200 monitor is filled with nothing but white space. What it brings back to memory is working in 40 columns on my Commodore 64. This will set Wikipedia back in time to before the world wide web even existed.