Today, alongside the fourth industrial revolution, we have a fourth type of procurement software, particularly software-as-a-service (SaaS).

The big difference is that SaaS is intangible, invisible. In fact, the only place where you can be sure of noticing this category of spend is the dent it puts in your finances, after the fact.

No wonder that the senior director of IT sourcing at a Fortune 500 retailer called software “the silent killer of your company’s budget.”

Read more to learn how to approach SaaS procurement today.