Are the map pins ever cleared? As I continue typing a long place name, I can see the 'shadow' behind the pin getting darker and darker with each keystroke. It'

Are the map pins ever cleared? As I continue typing a long place name, I can see the 'shadow' behind the pin getting darker and darker with each keystroke. It's 'neat' but I don't think it's useful, per se. Possibly no more or less useful than YouTube Instant though.