All those sad posts that don't really fit in anywhere.
According to Arduino itself, "arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. it's intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments."
I've been playing around with WebGL for a while now and I continue to be amazed by what ypu can do with it. If you don't know about WebGL, do go check it out. Even if you are not a (web) developer yourself, there are tons of awesome examples available online of what WebGL can do. Below are some posts about my experiences with it.