Hi, I wrote that a few weeks ago, just a blog post appreciation of Wikidata, nothing original. Summary: <a href="http://www.wikidata.org" rel="nofollow">http://www.wikidata.org</a> launched 2 years ago, following various much older proposals for structured data in wikipedia. Will allow for more cross-language collaboration, better info availability in smaller languages, much more...check out the coolest/most impactful development in wiki-land.