The revelation in today's paper that some UK companies have been manipulating Facebook to show job opportunities only to under 35s is just a iceberg-style manifestation of the ageism that permeates society and handicaps a lot of older people from getting an even break. Society is institutionally ageist in at least four ways.First is that Government's way of presenting the data hides the immense level of unemployment of older people. The official records show that unemployment in the 50-64 year old...