This is a big view of skills in Tech.
The size of the skill 'bubbles' reflects their popularity in job posts and the links show the relatedness between them, with thicker links indicating stronger statistical associations.
If you haven't selected any skills then you get an overview of popular skills. Once you start selecting skills you start to see related ones too.
Use the controls to see more related skills to those selected or adjust the spacing.
Read more about the Skills Graph.