In the Global Knowledge/TechRepublic 2010 Salary Survey, conducted at that end of last year, one of the questions put to respondents was "What skill set will your company be looking to add in 2010?" The skills listed by respondents include the perennial favorites: security, network administration, and Windows administration. Also included are virtualization/cloud computing and Web development. Meanwhile, an old favorite, business analysis, makes a come back. Here's the complete list, with the No. 1 skill listed being in the highest demand.