Software comes in two varieties. There is perpetual licensing, and there is subscription-based software. What’s the option? A one-time purchase gets you a license of ownership. It’s valid for good, and lets you move the software with you using the license key to install it where it’s doable. However, upgrades, updates, and provider support does not usually come with the package and add costs if needed. You get the license, support, and service, but you pay regularly, usually monthly, for such privileges. It’s a subscription economy Writing for Fortune, Mike Lev-Ram says, “all sorts of unexpected industries have started dabbling...