I ‘thought’ I might learn from reading the article what SnagIt does...
...I was terribly mistaken. /s
Snagit: Images and Videos in Minutes
No matter what you're working on, Snagit helps you capture great looking images and videos with just a few clicks. Easily customize your screen captures with effects, or show off what's important with Snagit’s markup tools. You can also create quick videos by recording your screen.
I use it all the time as I am a technical trainer. I can make stills and videos of very complex configurations and provide these to my students. And TechSmith gives me a free license, as I am a certified instructor. What's not to like?