Worried about students going off task with their laptops and mobile devices during class? 

With LectureTools and 

AirServer (or LectureTools and Splashtop) you can walk away from the podium and still 

1. Control the presentation
   +
2. Draw on your slides
   +
3. Pose questions to the class

This requires that one computer (desktop or laptop, Mac or PC) is physcially connected to the projector. Using steps described here you can mirror the laptop screen on your iPad (or Android tablet) or vice versa.   

Students are far less likely to stray when you have the ability to roam the aisles!