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The mathematical proof for this

Everyone laughs, cheers even louder. Of course they join in. What are the chances that in a group of 23 people, two have the same birthday? They sit in a circle, and each name their birthday. It will be exciting until the last player. The chance that two people name the same day of the year is… more than 50%! Let’s call this the KOS, the chance of success. A  can be given in a few lines, and can be found at the bottom of this article.

The power of a network

It seems like an innocent calculation, but the outcome – the chance is greater than 50% – says everything about the strength  france phone number list of a network, and the data that is available within that network. The explanation is quite simple. In a network of 23 people, there are more than 250 possible connections between two people.

That network is there now, and we call it the internet. Think of the networks of Facebook, LinkedIn, all the customers of a bank  lob directory or everyone who ever bought something at Wehkamp. The network is cross-border, knows no ranks or classes, is not influenced by skin colors, races, burkas or Polish origins .

The KOS effect in practice

It is this KOS property of the network that you can wonder whether it is used  The mathematical  enough. Of course, the upscribe provides detailed demographics,  success of Marktplaats has everything to do with the KOS effect. The chance that you will not succeed on Marktplaats is very small, unless you have a very exotic question (Wanted: politician with decency. We had one, but it was taken off the shelves).

In a banking network, the KOS effect could have nice applications. A company is looking for money, a former bank employee has too much money, and under the auspices of the bank and.

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