If the trend in storage pricing continues, Dropbox would be unable to charge anything at all for any of their plans within a few years. So instead of lowering prices they increase storage, which is a fairly safe thing for them to do, because people only use the space they need.
Evaporated milk is exposed to high heat to reduce its water content and then preserved in a can. Pumpkin pie recipes sometimes require evaporated milk. Evaporated milk can be used to make fudge.
Powdered Milk vs Fresh Milk. Powdered milk is manufactured by evaporating all moisture from Milk. Milk is a liquid produced from the mammary glands of animals. Powdered milk has a much longer shelf life than Fresh milk and does not require refrigeration. One of the purposes for manufacturing powdered milk is the ease of bulk transportation.