“Big data” also means big money. Internet users are the largest data producers, but they are not involved at all in the chain of value stemming from data aggregations and data marketing.
I believe we do not need the government to give us more “data protection” (largely a dead-end street) but that we need the law to fully acknowledge our property rights on our data. A legal framework to allow the people to join and to extract value from their data. The right to trade it collectively. The rising of data agents and data brokers. Privacy by contract rather than privacy by consent.