What office doesn't have a computer at every desk now days?  Computers are certainly here to stay and with them come the trade-offs like carpal-tunnel, back aches, eye strain, etc.  These wrist rests may not help eye strain but they sure help reduce wrist strain and that makes for a happier, more productive employee.  Imprints can include company logos, computer shortcuts, company phone numbers or a host of other pertinent information.