- Day 13 sparkles like the brightest bauble on the tree. Behind the window today, find out how to make a brand impossible to ignore: your-agenda.com/our-... #SettingTheAgenda #Christmas #Adventcalendar #AgendaAdventCalendar #Christmascountdown #CharityComms #CommsStrategy #ThirdSector #unionsDec 13, 2025 11:00