XKCD, Incoming Calls
Robert M. Lee and Jeff Hass' Little Bobby Comics 'Polling' →
via the Security Mindset of Robert M. Lee & Illustration Talents of Jeff Hass at Little Bobby Comics.
XKCD, Stanislav Petrov Day →
XKCD, 'Bad Opinions'
Luke Kingma and Lou Patrick-Mackay's Futurism: 'Halp' →
XKCD, 6/6 Time
Robert M. Lee and Jeff Haas' Little Bobby Comics 'True Attribution' →
via the Security Mindset of Robert M. Lee & Illustration Talent Jeff Haas at Little Bobby Comics.