Personality type a la Twitter?

I wonder about the ethics of this...accuracy, and validity.  Still it is data, and as such will be analyzed.   http://www.technologyreview.com/news/520671/ads-could-soon-know-if-youre-an-introvert-on-twitter/

IRS and identity theft

http://thehill.com/blogs/on-the-money/domestic-taxes/189621-report-irs-sent-out-billions-of-dollars-in-fraudulent