It can nice to hear about ideas which are practical improvements, and which others can benefit by. e.g. I don't think trackballs are anywhere near as popular a

It can nice to hear about ideas which are practical improvements, and which others can benefit by. e.g. I don't think trackballs are anywhere near as popular as they deserve to be. (Albeit, with trackballs, showing off is pretty much limited to 'look I have a good one').