Cheat sheet is a concise set of notes used for quick reference. Cheat sheets will contain most of the shortcuts needed to program faster. And it is meant for newbie users who can't remember the shortcuts or commands.
As computers and automated systems increasingly take the jobs humans once held, entire professions are now extinct. Click through the gallery below to see examples of endangered professions, from milkman to telegrapher, and hear from people who once filled those oft-forgotten jobs.
We use this simulation in my social studies class. After studying Haiti, the class tries to keep them alive for four years and get an education for all of them. (Hint: volunteering can earn you education credits).