The micro sensors offer coaches real-time feedback of athletes' physiological responses, measuring biochemical information such as heart rate, muscle activity and impact on joints.

Unlike other online universities which offer pre-recorded lectures, professors will receive real-time feedback on the progress of individual students and will be expected to tailor classes to their needs.

Store managers have real-time feedback on sales and trends, and bosses sit down once a week to pore over the data.

She showed off the screen's dextrous qualities, using it to reel off pertinent tweets from high-profile viewers and giving real-time feedback to the comments made by the guest.

The technology uses a magnetic field to provide real-time feedback to a central computer, which tracks the location of the ball and sends the data directly to the referee.