Comment Re:Hmm (Score 1) 148
2. I wonder what he means by "commercial data available in the public domain". Either it's commercial and you have to pay for it, or it's public domain. My long distance calling patterns are commercial data (and is sold by the phone company for marketing), but they're not "public domain" in the way that most of us would understand it.
You have a point, but he is probably referring to information that is in the public domain and maybe even available free of charge, but that has been harvested and combined commercially. Even if you walk into whatever government office may have some piece of data that is in the public domain, there may be a service charge to cover clerical time, copying and so on.
Take Choicepoint; they purchase public records from just about every court in the country, from county clerk/assessor/, vehicle and driver records, headers from credit bureaus with SSNs, former addresses, aliases, etc. They then combine all this in different ways to create products that they sell to... the government and to insurance companies.