There are a relatively small number of Web sites making use of video clips at this time. One reason is that the size of a video clip, even a short one, can be unwieldy. A 60-second clip, for example, can contain approximately 2.5 MB of data. A file of this size can take 20 to 40 minutes to download using a 28.8 bps connection. Downloading time can increase during times of heavy Internet traffic or if the user has a slower connection.
Cost is another factor.
However, there are some ISPs which provide unlimited access for a flat monthly charge, and their numbers are growing. Finally, the quality of video on the Web, while improving, is not ideal. There is as yet no way to transmit smooth, full-motion video over the Internet comparable to video or film. With these factors in mind, there is often little motivation to download a digital movie. However, technology is rapidly improving to decrease download times and provide higher quality images.