If your PowerPoint will put people to sleep, courtesy calls for handing out pillows

Doug Savage illustrated that in the August 3rd Savage Chickens cartoon shown above, simply titled Courtesy.

The Dilbert cartoon on August 6th was less courteous. A presenter asked whether there were questions.  Then Alice heckled him by asking if he had brushed his teeth too aggressively and accidentally stabbed himself in the brain (specifically the frontal lobes).