Roland Piquepaille writes "How do you exchange a file with a colleague or a photograph with a family member? Chances are that you cut the desired element and paste it into your e-mail program to send it. Now, imagine yourself in a meeting, picking a file on your PDA with a digital pen and using the same pen to drop it on your friend's laptop screen. This is exactly what Jun Rekimoto and his team at Sony Interaction Laboratory have developed with their 'pick and drop' technique. BBC News looks at this project in Digital pen takes on mouse. Because it's based on cheap and existing components, such a system might be released in the near future, though Sony hasn't announced any plans to do it. You'll find more details and pictures in this overview."