Somnolent ears at the back pricked up when Mike Aldrich, managing director of the former Rediffusion Computers made mention at the company’s presentation last week (CI No 923) of a rock group, and joy was unconfined when he followed up by announcing the rock video; it was soon back to sleep again when the timeservers among the hacks present woke up to the fact that he was only showing a routine promotional video for ROCC Computers Ltd.