One way to keep the audience interested in your presentation: Get out from behind the safety of the podium, and walk through the crowd. But that’s tough to do when you’re chained to a laptop advancing PowerPoint slides. What you need is an increasingly rare projector accessory: a full-function remote control.
    The five presentation pointers we tested have great range (usually 60 feet or more), and a good mix of features. And, although they’re all Mac- and Windows-compatible (with a few caveats listed below), two of them truly stand out from the crowd.