How big is that letter? How much salt can I have?Whether at home or on the road, having access to a scale can come in handy. Now for just $0.99, you can have your very own small item scale for your iPhone or iPod touch. Simply find something to balance your iPhone on, say a folded up business card, and follow the simple onscreen instructions. Anything from the size of a nickel to over 100 grams can be weighed.No counterweight is needed - simple place the iPhone on your balance point to "zero" the scale, places the item to be weighed on one end, and then slide the iPhone across the balance point and touch the screen over the new balance point. BizWheigh quickly shows the weight of the object in both ounces and grams.Use it for business, education, or just plain fun.