With all the unmitigated nonsense spouted about apple tracking users by caching cell towers seems to have blown over the teacup it was in.....
Here comes Carrier IQ - which is actually proven to be actively tracking Android (BB etc) users movements, their browsing habits, dropped calls, keystrokes etc etc.
Think this a hoax, or believe them when they say its only to improve service?
Check the video out....
Researcher’s Video Shows Secret Software on Millions of Phones Logging Everything | Threat Level | Wired.com

If this was Apple doing this, the stakes would be set and the bonfires would already be lit. But its Google, Blackberry and Nokia et al - so its all OK, apparently