I received this notice from Google this morning.
Hi,To protect your privacy we would like you to know that Google Latitude is running on your Android-powered device and reporting your location.
If you didn't enable this or want to stop reporting your location please open the Maps app on your device. Go to 'Menu' > 'Latitude' > 'Privacy' and change your privacy settings.Thanks,
Google Latitude Team
I wonder what prompted this message?