Afterglow uses a USB camera to track the motion of a laser dot—effectively turning it into a drawing tool or a mouse. Now that is something every boardroom needs. At the heart of the system is their ...

Although some users prefer to import graphics and images from other programs into Microsoft PowerPoint presentations, PowerPoint includes an advanced drawing tool that you can use to create a normal, ...

Q: When I teach my 100-plus classes a year, I make notes and create charts on a flip chart. But that doesn’t work for large groups who can’t see from the back, so I blank my laptop screen (“B” in ...