Original sentence: Microsoft has not responded to  this criticism except to use bloggers to attempt  refutation, princiaply a blog entry with "Twenty Questions (and Answers)" on Windows Vista Content Protection, intending to refute some of Gutmann's arguments.Paul Smith, a Microsoft MVP and beta-tester , has written a response to Gutmann's paper in which he counters some of his arguments
Edited sentence: Microsoft has published a blog entry with "Twenty Questions (and Answers)" on Windows Vista Content Protection, intending to refute some of Gutmann's arguments.Paul Smith, a Microsoft MVP and beta-tester, has written a response to Gutmann's paper in which he counters some of his arguments