Obama's NSA phone-record law ignores the other (big) data we're giving away | Dan Gillmor | Comment is free | theguardian.com: " . . . But the future of information hoovering is about much more than "metadata": this is your every move, collected and massaged already by an array of for-profit companies, as well as a new generation of businesses being created to take advantage of the very real benefits – and very frightening downsides – of what's being called the Big Data era. Part of this is the longstanding collection by third parties that exist to know – and sell – everything about us. Companies like Acxiom have way more personal information, and get far less scrutiny, than the online operators, though that ratio is changing as the Googles of the world push for ever-deeper understanding of how we behave and think, how we get to the bus stop and dress for work. Another part is even more hidden. The police need a warrant to install a GPS tracker in your car, but they can just buy your location from businesses that aim, via license-plate photography, to build a nationwide database of everywhere you've driven. This kind of bulk collection is going to spread, because it can. The worst part is, you and I have too little control – if any...."
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