our power of thin-slicing and snap judgment are extraordinary.but even the giant computer in our unconscious need a moment to do its work. - Malcolm Gladwell

In the end, the Impressionists made the right choice, which is one of the reasons that their paintings hang in every major art museum in the world. But this same dilemma comes up again and again in our own lives, and often we don’t choose so wisely. The inverted-U curve reminds us that there is a point at which money and resources stop making our lives better and start making them worse.

We all want to believe that the key to making an impact on someone lies with the inherent quality of the ideas we present. But in none of these cases did anyone substantially alter the content of what they were saying. Instead, they tipped the message by tinkering, on the margin, with the presentation of their ideas,.....

"If you plug in the neocortex ratio for Homo sapiens, you get a group estimate of 147.8-or roughly 150. "The figure 150 seems to represent the maximum number of individuals with whom we can have a genuinely social relationship, the kind of relationship that goes with knowing who they are and how they relate to us.