Indeed, there is no better measure of personal taste than the food one eats. Literally and figuratively. What our presidents eat is a function family heritage, personal preference, physical condition and social obligation. In sum: a president's favorite meal is NOT always what's served in the White House.
The points apply equally to research talks, lectures, and non-technical presentations. 1  The average attention span of an adult is 20 minutes.  Implication: you should ensure that the first 20 minutes of your talk include any material that you want your audience to remember.
Study: Average Attention Span Now 8 Seconds â Lower than a Goldfish. With an average of 8 seconds, down from 12. A study from Microsoft involving more than 2,000 people has found that the average attention span has dipped to a low 8 seconds â down from 12 seconds in 2000. A goldfish has an attention span of 9 seconds. There are many effects from smartphones and the like on the human body which are never written about.