12 Jobs on the Brink: Will They Evolve or Go Extinct?

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The iceman: Chipped away?

Before Mr. Edison came along, nothing happened when you pressed that button for ice on your Frigidaire. People had to rely on an iceman to deliver blocks of ice directly to their homes. Then they stored this ice in the (ready?) icebox to preserve their perishables, and no one's arugula wilted in the heat of summer.  

Then one day someone's proud mom needed a magnetic surface for her children's school papers and artwork, and the refrigerator was invented. 

Verdict: Extinct. Kudos to those who parlayed their ice skills to swan sculpting and Zamboni driving. Otherwise, this once hot business is ice cold.