On conference deadlines and application times, there are some plots: https://p.migdal.pl/2017/11/15/after-pydata-warsaw-2017.html#sign-up-and-check-in-times htt

On conference deadlines and application times, there are some plots: https://p.migdal.pl/2017/11/15/after-pydata-warsaw-2017.html#sign-up-and-check-in-times https://p.migdal.pl/2017/11/15/after-pydata-warsaw-2017.html... It is interesting when there are a few deadlines (e.g. early bird, regular, last call).