As Lennart Poettering of systemd fame put it:

Last week our first systemd.conf conference took place at betahaus, in Berlin, Germany. With almost 100 attendees, a dense schedule of 23 high-quality talks stuffed into a single track on just two days, a productive hackfest and numerous consumed Club-Mates I believe it was quite a success!

The videos, slides and pictures are available online. YLD recently threw a Post-systemd.conf Fest and watched some Docker-focussed highlights: