Here's an outline from my Penguicon 2013 panel "Communication for Geeks."

Here's an outline from my Penguicon 2013 panel "Sleep Hacking."

In order to stop losing keys off my carabiner when I unclipped it from my belt, I modded it with some heat shrink tubing. The process is documented on this instructable

I gave a talk on sleep and how to hack your sleep habits at Penguicon 2012. Here's a PDF of the talk outline: Sleep Hacks.pdf.