Are Smartphones Killing the Standalone GPS Device Market?

The modern cell phone has reduced the demand for a surprising number of products. The wireline telephone is an obvious one. Disconnected PDAs are also obvious. Disconnected MP3 audio players may also owe their sales problems to music playing phones as well as iPods. Digital still and video cameras appear to be threatened too. And, even portable game consoles might want to show approrpriate fear. So, what’s next on the smartphone hitlist? The New York Times says…