Mr. Driscoll provides a step-by-step tutorial of how to create a quick (and free) screencast using screencast-o-matic.com.

Via Baiba Svenca, André Manssen, Let's Learn IT, Robin Good, Gerrit Bes, Brian D. Hawkins, Ileane Smith, NikolaosKourakos, GSeremetakis, LaiaJoana, Fabian Belledi