You've seen many technical innovations over the years. Which one most impressed you, be it for ingenuity, importance, performance benefit or whatever?
Niko Jarvinen, via email
Formula 1 has always been about innovation and hopefully will continue to be so. But the current regulations and the direction they are going in is quietly starting to introduce a spec-car philosophy.
When the chassis regulations were more open it allowed people such as Colin Chapman, Gordon Murray, John Barnard, Patrick Head and Adrian Newey to get the old grey matter fired up and find new solutions to existing problems.