Ask.com, owned by IAC/InterActiveCorp., a year ago began offering customers the ability to "opt out" of having their information stored for more than a few hours with a product called AskEraser. Yahoo does not plan to offer such an option, Toth said.
Stronger privacy protections have not prompted many consumers to switch search engines. But privacy watchdog Jeffrey Chester said Yahoo's new policy was a gambit as it battled Google and struggled to regain its footing after bungling takeover talks with Microsoft and being unable to seal an advertising partnership with Google.
