This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
by 0xabad1dea, December 2014
This document is an RFC of sorts for increasing the adoption rate of Singular They in technical English. This is not an ultimatum; this is not shaming anyone who has done otherwise; and this is definitely not applicable to any other language.