Thanks to https://gist.github.com/obonyojimmy/a8b94f7baa4c12bf28cf5facce6a2cbe for the starting code for detecting windows activity.
Thanks to https://github.com/MarinX/keylogger for the linux activity.
Thanks to Joshua Barone @jbarone on gophers slack.
Thanks to http://stackoverflow.com/questions/14842980/go-cgo-and-linking
Thanks to https://github.com/Xe for the help with testing mac.