Neil Charles from UK Advertising Agency MediaCom shared this visualisation with us. It shows up to date advertising spend estimates for every advertiser in the UK, on your phone.
The data serving this visualisation is a >10m row SQL Server.
What works really well about the dashboard is the simplicity, a succinct set of filters allows the user to focus on the detail they want and the icons help tell the story. The visual itself uses engaging colours and shows the actual numbers alongside lollipops for visual reference.