On Thursday, July 5, 2007 customers bought toys and food for their dogs at Planet Dog, a growing bus

Gordon Chibroski/Staff Photographer. On Thursday, July 5, 2007 customers bought toys and food for their dogs at Planet Dog, a growing business that will expand into Canada. Here, Frank and Kate Sweetser of Worcester, Mass, walk out with a bag of goodies for Finley, a Black Lab, and Mickey, a Norwich Terrier, as they pass by the shelves loaded with enticing dog related merchandise. (Photo by Gordon Chibroski/Portland Press Herald via Getty Images)