Here is an example of a website that uses something like this: http://internationalartsmegacrew.com/controltower/

I can't even read it

--shudder--

I can't speak to the quality of code in this library, but PLEASE don't use things like it. This is the equivalent of text that follows your cursor around, or midi music playing in the background, or animated "under construction" gifs.

It's horrible, and it does not make you look like a "professional" when you use it.