Just like splicing audio tape is an inferior way to edit, using a comma to splice two independent clauses together is no way to make a sentence. This lesson will show you how to spot comma splices, and how to fix them.
Source: Linda Neuman, http://grammar.ccc.commnet.edu/grammar/runons.htm, http://2.bp.blogspot.com/_UXXtCpkeKiA/TGDuNcWihzI/AAAAAAAAOdc/LsoDHRWtooA/s1600/TapeRescue11.jpg