The last time we heard from Tom Murray, TomTom’s senior vice president of market development, he said that GPS-enabled smartphones had “no market impact” on the sales of standalone GPS navigation devices. It’s been six months. In a chat with The Unofficial Apple Weblog, TomTom Tom’s tune is now a little different: GPS smartphones have had an impact on standalone devices, but the smartphone market is “complementary” — they’re selling apps for the iPhone, for example, and that’s a growth business for them — and there are still way more dedicated devices out there than smartphones. Let’s see what he says in another six months.