Five guest editors, including Bill Gates's wife Melinda and comedian Al Murray are to take over the Today programme between Christmas and New Year.
A quick 60 second tour of where The Radio Festival will be taking place.
Peter Dickson's Pocket Announcer - Peter introduces us to the app!
Peter Dickson's Pocket Announcer - a demonstration of the Ringtones, Alarmtones, Soundboard, Pranker and About Peter functions.
Peter Dickson's Pocket Announcer - demonstration of the sentence maker