1.   He suddenly turned his head as though a disembodied finger had tapped his shoulder.

2.   Still, you never know when the moving finger might tap you on the shoulder.

3.   Lori snapped, shooting to her feet and crossing to the window, fingers tapping the glass agitatedly.

4.   Gates said he believed that the voice, not fingers tapping on a keyboard or a mouse, might eventually become the primary user interface for computers.

5.   Fingers tapped relentlessly on keyboards, but the crowds were so small that it was easy for individuals to monopolise the machines.

6.   His fingers tap the wheel in time with the tune.

7.   With the minutes ticking down, fingers tap nervously on desks and computer keyboards.