Leader Technologies has a pending appeal at the Federal Circuit. Good description of how their patent was thrown out: http://www.lotempiolaw.com/2011/12/articl

Leader Technologies has a pending appeal at the Federal Circuit. Good description of how their patent was thrown out: http://www.lotempiolaw.com/2011/12/articles/patents/facebook-infringed-leader-patent/ http://www.lotempiolaw.com/2011/12/articles/patents/facebook... Conjecture: this is a poorly executed PR campaign by Leader Technologies to embarrass Facebook into settling during their quiet period.