Six following distances
Six degrees of separation

As for the optional 2 people in the world,, the thought of being connected indirectly in the chain of the kind of acquaintance acquaintance of the acquaintance with 5 mediators.

It is thought that generally the social psychological scholar Stanley mil gram of the United States (Stanley Milgram) it is derived from the smallworld experiment whichthe doctor executes in the sixties. Those which are verified whether this should have minded the person of some person to delivering the letter to the optional person. However, mil gram the dissertation ' The small world problem which shows the experimental result ' (1967) with, "the average 5.5 people reported that the letter reaches with mediation", the kind of insistence where, but "the people in the world are connected 6 (5 mediators) with", has not done.

Creating the word, "six following distances" has come John of the script house (John Guare) with, the title ' Six Degrees of Separation ' empty of the drama which he writes. This work being something which designates the fraud incident which in 1983 really occurred the affluent married couple is deceived actor Sydney (Sidney Poitier) by the swindler who is identified the son as material, in 1991 was premiered with the broadway and became reputation, also filming was done to 1993, (as for ? subject the stage ' to your 6 people ', the movie ' 6 others who are close to me

As for ??? itself, you have expressed that inventor Marconi of wireless (Guglielmo Marconi)"after the world is tied with the radio, it has the even 5.83 broadcasting stations in order to tie 1 human 1 people", that inspiration was obtained in having written, (really, as Marconi's word it is not verified).

There is a method itself of thinking for a long time, it is said that write of Hungary (Karinthy Frigyes) the short story ' chain ' (1929) is oldest, to composition as is converted.

The social network sight"SixDegrees.com" which concept of social network service doing is put out by the inquiry well, in 1997 is established in the United States (closing), it is origin of the name of indian "GREE" which is established in 2004 and so on afterwards.