How and Why People Use Camera Phones

Microsoft has researched How and Why People Use Camera Phones. One of their conclusions:

A second important finding was the recognition that
capturing and sending has the first glimmerings of a new and compelling genre of communication which, at this point, is fraught with problems. There are obvious implications to deal with barriers to use including the elimination of technical complexity, lowering cost, and improving image quality. Unless and until this happens, it may be some time before a critical mass of users sees picture messaging traffic increase.

(via UI Designer)