SaaS is a rapidly growing industry. Between 2010 and 2012, annual global SaaS revenue increased from $10 billion to $14.5 billion and grew to 4.11% of total software revenue. This infographic by Staff.com details the current state of the SaaS industry. The lesson to take away is that SaaS is on the up and there’s still a lot of room for growth for those who know how to take the most of their opportunities.