Universal Rule

Publishing: Sarnoff's law says the value of a network&nbsp;is porportionate to the&nbsp;number of subscribers.
Communication: Metcalfe's law says the value of a network is porportionate to the number of nodes.
Collaboration: Reed's Law says the value of a network is porportionate to the number of groups.

Book Reviews

Wednesday, April 9, 2003

Most Stupid Security Measures -- Comment()
The Aardvark Speaks: "The results of the World's Most Stupid Security Measures Competition are in."

-- Comment()
Download Fiasco a Downer No More: "Author Glenn Fleishman won't be charged a penny for an online publishing experiment that appeared to go horribly wrong. For a while, though, he was pretty worried about the whole thing. By Leander Kahney." [Wired News]

Scaling of the ecosystem of networks -- Comment()
Joi Ito points to Social Capital of Blogspace (Ross Mayfield):

As previously described in the Ecosystem of Networks, people use weblogs in different modes: Publishing, Communication and Collaboration. By dramatically lowering the cost for these modes on the public internet -- they are rapidly increasing the value of social capital. Each mode provides different valuation methods:

Publishing: Sarnoff's law says the value of a network is porportionate to the number of subscribers.

Communication: Metcalfe's law says the value of a network is porportionate to the number of nodes.

Collaboration: Reed's Law says the value of a network is porportionate to the number of groups.