ZoomIt is a tiny application that does one thing, allows you to zoom the screen while doing a presentation to highlight a portion of the screen. This is great way to highlight a small object or a graph in a presentation to show it to your audience.
Image: Zoomed Image with Drawing
Along with zooming a portion of the screen it also allows you to draw around the zoomed image. ZoomIt site unobtrusively in system tray and activates with customizable hotkeys to zoom in. In the first run it will show the options, here you can choose the hotkeys for Zooming and unzooming.
Download ZoomIt (76KB)