Here's a very nice example of what we mean by Social Communications. This video shows how IBM Sametime integrates with Connections and Notes Social Edition in a real-life use case. Check it out:
The Sametime Blog
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Marlon Machado 100000PEST firstname.lastname@example.org Tags:  video notes connections sametime 3,250 Visits
If you plan to roll out Sametime 8.5 embedded inside Notes 8.5.1, this recent technote describes in detail how to build a custom install kit. Hope you find this helpful.