Have you used the Consumer Barometer in presentations ?[ Edited ]
September 2013 - last edited September 2013
I found this tool which is a lot of fun when it comes to setting up a presentation , I thought to share it with you :
It has statistics about mobile phone usage in purchasing, offline and online shopping data, country to country comparison.
What other Google statistic tools do you use for presentations to make a client understand that PPC can be profitable ?