| A professor might start a session with a five-question quiz on the lecture students were asked to watch before class, gathering responses through clickers. |
| Are the clickers very poor signal transmission devices with an extremely high error rate? |
| Instead, they furiously pressed keys on handheld clickers, as animated spaceships on a projection screen tracked their answers. |
| To tackle this last goal, someone they know recently suggested that they purchase clickers to monitor each other's speech. |
| But the mishap took place when she bent forward, and flashed all to the waiting clickers. |
| The mouse features the standard two clickers, a scroll wheel on the top, along with three extra buttons for scrolling and task switching. |
