Likely to become a multifaceted information responsibility reality check
The Journal said that though the cookies placed by Google were set to expire in 12 to 24 hours, they "could sometimes result in extensive tracking of Safari users...because of a technical quirk in Safari that allows companies to easily add more cookies to a user's computer once the company has installed at least one cookie."
Google told the Journal it hadn't anticipated the placing of additional cookies. It also provided the paper with the following statement: "The Journal mischaracterizes what happened and why. We used known Safari functionality to provide features that signed-in Google users had enabled. It's important to stress that these advertising cookies do not collect personal information."