Speed
Digital cameras can have a slower shutter speed due to heavy demands on battery power.
Loss
Pictures can be lost while downloading to a hard drive due to a unknown break in USB cable.
Size
These cameras, can increase the amount of pictures that are taken by upgrading the size of the memory card.
Megapixels
Consumers have a choice of megapixel size when purchasing a digital camera. The megapixel size is a determining factor in the quality of a picture.
Technology
Constant advances in speed, quality and weight, give the newly purchased digital camera a life span of 12 months before a "better" product reaches the market.