For anyone involved in software reviewing like the team at Softonic, annotations of screenshots and other data are essential in day-to-day work.
The same goes for anyone who regularly has to use presentations and other graphical displays to share information. ZoomIt aims to make presentations and annotations easy enough for anyone to illustrate and add comments and annotations to their presentations and screenshots. The first time you run ZoomIt, you're presented with a configuration dialog that gives you some tips on what the program can do and how it should be used. During this time, you're also offered the chance to specify alternate hotkeys for zooming in and out and for entering drawing mode without zooming. In addition, you can customise the drawing pen color and size although this is one aspect where ZoomIt could do with some work as both the sizes and colour palette is rather limited. There's also what the program calls a "break timer" that remains active even when you tab away from the timer window but then allows you to return to the timer window by clicking on the ZoomIt tray icon.
This is by no means the most advanced screen annotation utility you'll ever use but for simple arrow pointing and circling of certain facts and figures, it does a quick and efficient job.