The future is in more than two dimensions.

Trade of the Day: Buy a 3-D Printer

Mark Gilbert is a Bloomberg View columnist and writes editorials on economics, finance and politics. He was London bureau chief for Bloomberg News and is the author of “Complicit: How Greed and Collusion Made the Credit Crisis Unstoppable.”
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Admit it. Back in 1984, you chuckled when you saw the advertisementfor the Apple Macintosh 128k computer. Who would blow $2,500 on a beige plastic box with a keyboard? What on earth would anyone do with a personal computer anyway?

Fast forward to today. You've read about 3-D printers. You know they're all the rage with the geek squad. You may even have seen today'snews that Home Depot Inc., the world's biggest home-improvement chain, plans to start selling them. You're not entirely sure what you'd do with one. But can you risk getting left behind -- again?

So the Trade of the Day is to buy a 3-D printer -- using some of the cash left over now that computers are so darned cheap.

This column does not necessarily reflect the opinion of Bloomberg View's editorial board or Bloomberg LP, its owners and investors.

To contact the author on this story:
Mark Gilbert at

To contact the editor on this story:
James Greiff at