WindowsPhonelovers page has more to reveal about Cortana, Speed dial and Banner notifications. Here are the tidbits,
- You can delete Cortana, if you wish so..
- You can have up to 30 phone numbers in your speed dial list
- Cortana can save some data on her personal notebook based on your usage! This includes your name, inner circles, your reminders, etc. You can select to clear the data on her notebook!
- Cortana saves the things she learns about you in the cloud as well as on your local device.
- Banner notifications which were revealed earlier as well