If you were won­der­ing what the heck #ktrain is, it’s a social exper­i­ment, born inside the Face­book Group Indi­geni Dig­i­tali to test and reverse engi­neer social Indexes scor­ing algo­rithms (k stands for Klout, the most famous of such indexes). Since early this morn­ing dozens of tweet­ers are retweet­ing and broad­cast­ing the #ktrain hash­tag and checking […]