Neither Dad nor my brother looked up as I carried the blender in its box from the kitchen, through the den, where each was busy reading or scribbling notes, and back into the computer room. How excited do you get about a blender? Dad and Ben didn’t even notice the pretty, white box capped with yellow at each end and awash with piles of perfect fruit on chipped ice, except, of course, where a picture of the blender itself leans stylishly to one side, as if to catch your attention in case it should lean too far and need catching…