LG Electronics will use natural language processing to support a voice search service, Quick Voice, for its smartphones running on Google's Android operating system. Quick Voice will support 11 applications with Web search such as text, maps and weather. The move should be a wake-up call to search engine marketers who will need to rethink how they optimize Web sites and paid-search campaigns.

The Quick Voice feature will initially launch in South Korea, joining a growing market spearheaded by Apple with the introduction last fall of Siri for the iPhone 4S. It's unclear how quickly LG will introduce the feature into other markets.

Quick Voice will support Android 4 updates on the LG Optimus Vu, along with the Optimus LTE 2. As a smartphone maker, LG might have set a precedent by introducing voice search for its phones, but it's not the first. Apple said it would expand Siri to the iPad this fall with the release of iOS 6.

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