Consequences of planned obsolescence for consumer culture and the promotional self

During the 20th century, the industrialised countries have developed an extensive amount of obsolescence. It has become clear that nations in the developed world over-consume, while the poor in the developing world pay the price of our increased consumption with their lowered standards of living and increasing environmental damage .
When did obsolescence emerge, in how far is it planned, and which consequences does it have for consumer culture and the promotional self on a broader scale? By drawing on numerous examples, this essay explains how advertisements are constructed semiotically and the ideologies they derive from.