According to United Biscuits, the Digestive Biscuit was invented in 1839 by the Scotsman Alexander Grant, while working for the British manufacturer McVitie’s. May Mr Grant’s successors live long and prosper.
It is not recorded whose genius added chocolate to the digestive biscuit in 1925, but there is a key element in the whole saga. The Chocolate Covered Digestive is only half-coated. Chocolate on both sides spoils the texture as well as the taste; it is “too much of a good thing”.
While this brilliant act of restraint might have been a commercial decision, it is the absolute essence of why this iconic piece of confectionery works so well.
Yes, I hear you say that there are many examples of biscuits liberally slathered with chocolate on both sides; that it is a matter of personal taste. Well, in my view twice as much is not even half as nice, and none-at-all is insipid and unpalatable.
I am thinking this is a perfect metaphor for e-learning.