George A MillerYou must have noticed that however hard your try, most people’s ability to remember what you are telling them is limited. If you have, then don’t be surprised as this has been demonstrated by psychologists. Here’s the link to a classic article on that subject published by George A. Miller (photo on the left-hand side) in 1956:

The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information

One may imagine the significance of this factor not only on the ability to teach and learn things but also on the ability to manage a large number of ideas generated through a generous idea generation process.