Sublime

1% of the user population might start a group (or a thread within a group) 10% of the user population might participate actively, and actually author content whether starting a thread or responding to a thread-in-progress 100% of the user population benefits from the activities of the above groups (lurkers)19 This is often called the “1/10/100” rul

average network size was around 125, with a distinct ∩-shape against age: networks initially increase in size as we age, reach a peak between the mid-twenties and early thirties and then decline steadily into old age

The instinct to gorge on high-calorie food was hard-wired into our genes.

Dopamine had its strongest effect at the network level (indexed by measures such as how many close friends you have, and how engaged you are with your local community),

Eu não acredito em alma ou em maldade, acho que o termo “maligno” é mais adequado a um musical,[1] e não estou certo de que a punição deva ser um fator relevante para a justiça criminal.

The evenness with which people called their closest friends decreased dramatically into old age: by age seventy, the great majority of calls were concentrated on just half a dozen people, with other people being called only very, very occasionally, whereas earlier in life calls were distributed more evenly across the individual’s social network.

Foundation for the Study of Personality in History,

that extraverts have more friends in every layer than introverts do, as well as more friends overall. As we might anticipate, they also had emotionally less close relationships with each individual in each layer, even when we control for network size.