There were four things in the technology industry that were generally seen as impossible: The first, was a shift to Intel by Apple, the second, a shift to Microsoft by Palm, with the third, being a shift to Microsoft by Sun and the fourth, a shift to Microsoft by Apple. We could argue that there is now a fifth: A shift to Open Source by Microsoft. Of these five, two have now happened and three, are related to Apple (Palm, spun off of Apple). It is interesting to note, that Sun is now getting along with Microsoft and Microsoft is leaning more and more towards an Open Source model over time. Read on over at Designtechnica.