GPS Turn-by-Turn Directions Coming to iPhone

GPS industry is highly threatened by free turn-by-turn Google Maps Navigation, especially those companies whose livelihood totally depends on selling paid versions of what the Google is offering now. For Android phones Google Maps Navigation is free but in a press conference Google announced that it bring free navigation to iPhones very soon.

This press conference confirmed the arrival of Google Maps Navigation in the UK, but the most amazing part of the news was was the official confirmation of free nav in development specifically for the iPhone. The company didn’t disclose the exact date for the this amazing feature to roll out on Apple’s smartphone platform, but knowing the light speed at which Google prefers to move it won’t be long before we have more news on this front.
What do you think: can free turn-by-turn direction service on smartphones replace the traditional in-auto GPS system, or do standalone navigation devices still have value? How will GPS manufacturers adapt to the changing satnav landscape?