Size is always a big factor in product design and marketing. The iPad essential becomes an iTouch for the tallest man in the world. I always have a problem with oversized drinks in this part of the world, but I also have a problem with the undersized drinks in Europe and Japan. A cup of tea in London is really too small for me and I almost needed to order two. A cup of tea in New York is usually way too big and I have to pour away 30% of it right away.