The Circle is a very interesting piece of software in its very early stages. It is a p2p application built on the distributed hash table model.
In the book Six Degrees of Separation, there is a diagram of a circle with multiple nodes around its perimeter. It explains that the 'six-degrees' concept works because whilst all node know if the nodes on either side of them, most nodes also know of nodes on the other side of the circle and it is these 'weak ties' that make it possible.
The Circle (application) makes it possible to discover files, people, computers, discussion threads (gossip!) by taking the names of the resource, hashing it and storing that hash reference with the nodes on the circle that are responsible for that hash.
One of the things I like about it is that it actually shows a diagram of a circle and shows my connection to various nodes.
I need to look more into its searching logic as it finds resources perfectly but only if you use the exact name like 'abcdefg.mp3'. If you search for 'abc' or 'mp3' nothing will be found.
Another feature I like is how it manages the user's digital signature by converting the key into bezier curves so it looks like a signature.
Very cool software that I will keep my eye on.
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