Karl Fisch's Library tagged digital_culture →  View Popular

For the purposes of their experiment, two people were considered to be acquaintances if they had sent one another a text message. The researchers looked at the minimum chain lengths it would take to connect 180 billion different pairs of users in the database. They found that the average length was 6.6 steps and that 78 percent of the pairs could be connected in seven hops or less.

www.smartmobs.com/...tion-confirmed-at-nearer-seven - Preview

smart_mobs digital_culture pln