The death of long presentations?
Studies prove that it is not possible to concentrate for more than 18 minutes at a time
– TED conference study, 2010.
“It should come as no surprise … that 91 percent of business professionals admitted to daydreaming during the meetings they attend and 39 percent confessed to falling asleep, according to a “Meetings in America”
– Study conducted by MCI” https://trainingmag.com/content/7-secrets-engaging-audience