The folks at the Stanford Security Lab are a suspicious bunch. Since they’re studying how to make computers more secure, I guess it comes with the territory. Their current interest is tracking cookies and the Do Not Track opt-out process. Using “experimental software,” they conducted a survey to see how many members of the Network Advertising Initiative (NAI), actually complied with the new Do Not Track initiatives.
What they found is that more than half the NAI member companies did not remove tracking codes after someone opted out.
NAI member companies pledge only to allow opting out of behavioral ad targeting, not tracking. Of the 64 companies we studied, 33 left tracking cookies in place after opting out.
Ah, but we all know how stats can be twisted, so let’s keep reading. The next line says: