...the dictionary definition of "blog" is correct, but it says nothing about the network in which the blog participates.
By way of analogy, consider a dictionary definition of a telephone: "an instrument that converts voice and other sound signals into a form that can be transmitted to remote locations and that receives and reconverts waves into sound signals." That's fine if you already know what a telephone network is, but the definition doesn[base ']t work on its own.
Just as telephones are meaningful only when connected to the telephone network, so blogs are meaningful only when connected to the blog network. [continua - di Jon Udell]
Ho idea che questo parallelo blog/telefono per spiegare l'importanza della rete nello spiegare i weblog finirà presto in una qualche mia presentazione ;-)