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  When it was invented: First in 1872
 Who invetnted it: Marcel Grateau
 What was its purpose: To straighten hair
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  Change to the product: From using metal teeth to using two flat plates that are heated
 Why was it done: Because the outcome looked better
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  CHange to product: Heated iron with a hinge in the middle.
 why it was done: it worked faster
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  Change to Product: Hot plates were set inside plastic handles
 why was it done: it was safer for your hands
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  Change to product: Plates became ceramic
 why was it done: IT is now safer for your hair
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  Lauren Lott
 3rd block
 2-19-2016