Michael Buckner / Getty Images A general view at the eBay Mobile Boutique at Hollywood and Highland on in Hollywood, California.

It started with the food truck. Hey, you can get crepes on the street corner! Now, a growing number of service businesses have gotten on board, giving an entirely new meaning to the phrase “mobile commerce” with trucks or vans where you can do anything from get a DNA test to belt out a karaoke tune. Take a look at this roundup of services that deliver the goods — literally.

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