What is Master Mind ?

Master Mind

group used to help members solve their problems with input and advice from the other group members. The concept was coined in 1925 by author 

 and described in more detail in his 1937 book 

 In his books, Hill discussed the idea of the Master Mind, which referred to two or more people coming together in harmony to solve problems.

Cooperation through the use of mastermind groups was one of the laws of success that Hill learned studying successful Americans including 

Several companies offer mastermind group environments to members.