Why Is Software Being Sold As A Subscription?

I've Always Wanted To Know: Why Is Software Being Sold As A Subscription? Answer: The early days of software were simple times: you purchased a floppy disk with a piece of software on it and you could use it wherever you wanted for an unlimited amount of time. Fast forward 40 years and we're being offered many popular software packages as subscriptions or limited time versions, but why? What is the advantage for software developers and what does it mean for consumers?