'Yammer Parts' is an app for SharePoint server, which provides App Parts to plug in yammer components to your SharePoint intranet. Show a snapshot of Yammer Inbox and Notification counts, list of User's Groups, Yammer Topic Cloud, Recent Activities and search for people. With these yammer components on your intranet, always stay connected to yammer.

You can easily switch between networks through the 'Yammer Parts' app

Authorize the app once, and you can access the plugins from different browsers and different computers without authenticating yourself again