You can set your state of mind along with your status now, so I guess this isn't really surprising - if that's how they do it (I only skimmed the article.)
What's new, really? This is just another data point people are willingly handing over for Facebook to sell as per the terms of service.
What's new, really? This is just another data point people are willingly handing over for Facebook to sell as per the terms of service.