If the 'LinkedIn search' option is selected in your Chrome Extension (it is by default). You'll see a discrete Xendo logo if you or your company has any content associated with the person you're looking at ('content' includes emails, documents, presentations, meetings, depending on what applications you chose to connect to Xendo).
When you click on the Xendo icon, Xendo will show the most relevant items that connect you to the person you're looking at in LinkedIn.
You can even drill-down further with suggestions about which applications contain data about the person you're looking at. Ideal for research and prospecting.