The speaker talks about the concept of SAS (Software as a Service) and its implications on software freedom. They provide examples to explain when a service is considered SAS and when it is not. They discuss the challenges and complexities surrounding SAS, including the blurred lines between individual and group computing, the publishing of service source code, and the need for more attention on SAS in free software advocacy. The speaker suggests strategies for raising awareness about SAS, such as calling out companies with SAS business models and promoting the concept of self-hosting. They conclude by mentioning the GNU Units program as an alternative to using SAS for unit conversions.