Cameras and Tests. The three webcams I compared were the embedded webcam on my HP EliteBook 8760w; the Logitech HD Webcam C615, an external unit you can buy for under $40; and the Logitech Broadcaster, an external unit that costs around $200 (Figure 1, below).
Special cake flour with a high starch-to-gluten ratio is made from fine-textured, soft, low-protein wheat. It is strongly bleached, and compared to all-purpose flour, cake flour tends to result in cakes with a lighter, less dense texture.
But to form the dense chewy structure of bread, you want a flour with a lot of protein so that you can create as much gluten as possible. Here is the approximate protein content of all the common types of flour: Bread Flour: 14 - 16%. All-Purpose (AP) Flour: 10 - 12%. Pastry Flour: 9%. Cake Flour: 7-8%. The exact protein content varies by brand, by region, and also by country. However, the name given to the flour is usually an indication of how it's intended to be used.