Little did I know that online messages or advertisements like Store Wars are examples of what is called “Flash activism”. Flash activism comes from the software, Flash, which allows you to create animations. Flash is cartoonish in appearance, and represents a trade off in simplicity of animation quality for extreme speed in animation development.
Here is an introduction to flash activism by the major player in the field, Free Range Graphics. The site contains a dozen examples of their best work.
To view the best in flash and short film activism, see the Fourth annual Media That Matters Film Festival.