Abstract: A meeting aid (10) configured to facilitate the identification of persons in attendance at a meeting, said meeting aid being one of a set of such meeting aids each for allocation to a said person in attendance at a meeting, the meeting aid comprising: a data input device (60) configured to allow the person to whom the meeting aid has been allocated to input information identifying themselves; communication means (65) for receiving identifying information from one or more of the other meeting aids of said set of meeting aids; a processor (70) configured to process and save received identifying information and identifying information inputted by the person to whom the meeting aid has been allocated, said saved identifying information providing the person to whom the meeting aid has been allocated with a list comprising at least a portion of the identifying information associated with those persons to whom each meeting aid of the set of meeting aids has been allocated; and display means (50) responsive to said p

Abstract: The invention relates to a method of coating a substrate. A monomer in at least a partly flowable form is discharged from a melt blowing die and entrained in monomer in a flow of hot gas from at least one side of said melt blow die. The monomer is then deposited on a substrate by sputtering under positive pressure.