Apple tracking location every 12 hours

Apple Tells Congressmen it Batches, Encrypts Location Data – Web Services Web 20 and SOA from eWeek

With the iPhone, iPad and iPod touch and can see why location-based data is needed. What I don’t understand is why Apple needs to know where I am when I am using my MacBook. If I am using Chrome and Google wants to know where I am using HTML5, does that info go back to Apple and if so why?

Apple offers location-based services on the iPhone 3G, iPhone 3GS, Iphone 4, iPad WiFi/3G and on older iPhones, iPad WiFi iPod touch and Macs running Snow Leopard, and Windows or Macs running the Safari 5 Web browser, albeit to a more limited extent.

You can read the full document after the break.