11. The personal navigation device of claim 10 further comprising an internet connection device for connecting to the internet and downloading an online library of POI data structures already containing text messages onto the personal navigation device.
11. The personal navigation device of claim 10 further comprising an internet connection device for connecting to the internet and downloading an online library of POI data structures already containing text messages onto the personal navigation device. 13. The personal navigation device of claim 11 , wherein downloading the online library comprises downloading POI data structures corresponding to a specific geographical location.