3D printing

3-D Printers at CES: Can MakerBot Sell a DIY Revolution?

Fortune's Fastest-Growing Companies

If you're looking for investment opportunities, check out the twenty companies profiled here. There are a few familiar names on the list, but many more you may never have heard of.

Fashion Crowdsourcing Turns Us All Into Designers, Retailers

Step aside, fashion designers and retailers: Web sites devoted to selling user-generated -- or "crowd-sourced" -- clothing are proliferating, enabling shoppers to take product design and selection into their own hands.