"Women may want to check my phone for strange emails or calls when I'm not around. With Fujitsu's 'privacy mode,' they can't see that information at all," [Japanese blogger Bakanabe] said in an email. "The key is to give off the impression that you're not locking your phone at all."
Fujitsu's "privacy mode" is a layer of nearly invisible security that hides missed calls, emails and text messages from contacts designated as private. If one of those acquaintances gets in touch, the only signal of that communication is a subtle change in the color or shape of how the battery sign or antenna bars are displayed. If ignored, the call doesn't appear in the phone log.
The changes are so subtle that it would be impossible to spot for an untrained eye. When the privacy mode is turned off through a secret combination of keys, the concealed calls and messages appear, and voice mail becomes accessible...
"If Tiger Woods had this Japanese feature in his phone, he wouldn't have gotten in trouble," said Mr. Natsuno, now a professor at Keio University's Graduate School of Media and Governance.Of course, once women see that a potential boyfriend uses this particular model of phone, they may get suspicious...
(Via Instapundit.)