Facebook's Graph Search not quite impressing investors: http://www.thestreet.com/story/11813858/1/facebook-unveils-graph-search-investors-groan.html
US Attorney Carmen Ortiz's husband, IBM exec Tom Dolan, makes social media gaffes while defending his wife against Aaron Swartz supporters, winds up deleting his Twitter account: http://betabeat.com/2013/01/tom-dolan-defends-carmen-ortiz-aaron-swartz-twitter/
Wikivoyage, the Wikimedia travel site, launches: http://venturebeat.com/2013/01/15/wikivoyage-sets-off-to-become-1-travel-resource-in-the-world/
How businesses can optimize for Graph Search http://thenextweb.com/facebook/2013/01/15/facebook-explains-how-to-optimize-your-business-page-for-its-new-graph-search-feature/
Taking a closer look at Microsoft's new role with Facebook: http://readwrite.com/2013/01/16/microsoft-wins-with-facebooks-graph-search-or-does-it