A mashup classic

When the President speaks the whole world listens speaks

Facebook's Connect, a service that let's other websites integrate status updates and other features from Facebook into their own interfaces rode the coat tails of history during President Obama's inauguration speech.  CNN let Facebook users comment on CNN's live web video feed generating more than 1.5 million status updates, one of the largest live video events in Internet history.

The takeaway - give your clients a social interactive option to talk about you.  The world is changing right in front of your eyes...unless you were too busy posting to notice.