Welcome to the sixty-second issue of De Programmatica Ipsum, about IBM. In this edition, we ask our readers to think about the impact of huge corporations such as IBM in our industry; in the Library section, we review some corporate biographies of IBM by James Cortada, Emerson Pugh, and Louis V. Gerstner, Jr; and in our Vidéothèque section, we watch a psychedelic corporate movie by Jim Henson.

Welcome to the fifty-fourth issue of De Programmatica Ipsum, about Google. In this edition, we search for the source of the current challenges Google is facing nowadays; in the Library section, we review "Nine Algorithms That Changed the Future" by John MacCormick; and in our Vidéothèque section, we recommend some classic Google TechTalks.

Welcome to the thirty-seventh issue of De Programmatica Ipsum, opening our fourth year of publication, and dedicated to Microsoft. In this edition, Graham explains how programmers have perceived Microsoft and its success through the years; Adrian reviews 45 years of Microsoft history and finds patterns, anecdotes, and some lessons; and in the Library section, Graham analyzes Microsoft's books about computer security.