Ripples is a wonderfully unique way to view content spread across Google+ as people reshare.

The tool is fully interactive, and updates in real-time, which can be particularly useful when watching the spread of a highly-engaging post, such as one you'd find in What's Hot.

Read more:
http://www.googleplusdaily.com/2013/02/ripples-explained.html#.USo_M0Y-lTU