Maybe addictiveness was a bad word.<p>I was under impression that rewarding people for patiently watching your animations may be an attempt at exploiting Sunken Cost Fallacy or even just giving them some time to forget about the rest of the world.<p>The reason I thought that was because this site somehow reminds me of all the sites nagging me to buy something and I suppose there are reasons why <i>those</i> behave the way they do.