Extremely small file size when compared to similar media. Easy to create custom interfaces with feedback mechanisms. Can import files from other applications. RealFlash can be used to stream large animation files, much like RealAudio. CONS Requires plugin.
Animation can get chunky when a lot is going on.
RealFlash Animation synced with audio. A combination of streaming audio and animation. One of the best examples of Flash as it applies to Nucleus. A small animation that is only 5k in size. The same animation as an animated gif was 200k and did not have smooth edges.