Gizmodo reports on a service that allegedly grabs user data from contact forms in real time even if a user does not click the "Submit" button. NaviStone, the company whose code is on at least 100 retailer websites, purports to unmask anonymous web users. It also says it can send a postcard to the home address of an anonymous visitor within a day or two and match "60–70% of your anonymous site traffic to postal names and addresses." Law Professor Ryan Calo suggested the practice could violate Section 5 of the FTC Act, as well as other state consumer protection laws. Only one of the dozen sites reviewed included mention of NaviStone in its privacy policy.
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