Google buying Motorola is a strong defensive move against both Microsoft and Apple on two fronts: patents and user experience. Apple is vertically integrated and Microsoft controls Nokia (without having had to buy it). Between that and having filed or acquired a lot of patents, these two pose formidable threats to Android. Buying Motorola lets Google fight both of these threats in one go. As Larry Page’s blog post makes clear, Motorola has a huge trove of mobile IP, having invented the first ...