So what does Microsoft think of the $100 laptop project, especially given that the computers will use Linux operating systems. This blog post isn't an official response, but as it comes from a Microsoft staffer we can get an insight into how they may feel. And how they feel, in a word, is critical. The Linux system, he writes, "has an amazingly poorly designed user interface that is unnecessarily complex." Also, "The pessimist in me also worries that the virus programmers of the world will find 100 million identical networked laptops an irresistible target."