Apple is facing a class-action lawsuit filed by a customer who feels that Siri, the iPhone 4S's voice-controlled digital assistant, doesn't live up to the promises of the company's commercials.

Frank M. Fazio, a New York resident and unhappy iPhone 4S owner, has filed his complaint of false advertising with the U.S. District Court in San Jose, calling the ads "fundamentally and designedly false and misleading."

His complaint says ads showing people using Siri to "make appointments, find restaurants, and even learn the guitar chords to classic rock songs or how to tie a tie" are nothing like "the actual operating results and performance of Siri."

He also alleges that the iPhone 4S without Siri is just a more expensive iPhone 4, although it has a faster processor, improved antenna and better camera than its predecessor.

Apple has yet to comment on the suit.

[mashable]