It's about listening first, then selling.
To effectively leverage the social graph, every company needs to understand that they need to make their information easily transferable.
The ROI of social media is that your business will still exist in 5 years.
The easier things are to buy, the more we consume.
Social media has made the web all about me, me, me.
That's the power behind a tool like Facebook Connect. It is making a Web without walls. Facebook allows you to go to other sites to comment, rate, etc., without having to set up a new profile for that site.