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• start of with what nostalgia means and where it comes from.
• what nostalgia was like in the last centuries and how it has progressed. 
• then talk about Johannes Hofer and he's thoughts on nostalgia. 
• talk about sedikides and tim wildschut views on positive and negative nostalgia and what there tests proved.
• then talk about svetlana boym view on reflective and restorative nostalgia and compare it to what tim wildschut is saying. 
• steampunk 
• fashion nostalgia 
• coca-cola evolution 
• apple evolution 
• conclusion