I don't see the difference, it is like you imply that with software or "tech" companies you don't pay for improvements. You get packaged software, you have to

I don't see the difference, it is like you imply that with software or "tech" companies you don't pay for improvements. You get packaged software, you have to buy new version to get new features. You have SaaS solution, you have to pay subscription fee, so basically for monthly payments you pay for that months version.