Job Trends: Web 2.0, AJAX and Ruby - O'Reilly RadarIn my posting Ruby Book Sales Pass Perl, I also showed some treemaps highlighting the growth of calls for Ruby skills in the job market. I mentioned the fact that Web 2.0 also was bright green in the jobs treemap. But I thought I'd give a little more detail on how these job categories are growing. In order to understand the job growth graphs, you need to keep in mind that the number of job listing
