Last week, Apple said it would be updating iOS software (“bugs”) to only store a week’s worth of location data as well as allowing users to turn off the storing of location data. That update is coming in a few weeks according to BGR:
…we have been told it will address:
The update will no longer back up the location database to iTunes.
The size of the location database will be reduced.
The location database will be deleted entirely when Location Services are turned off.