Advancement in nanotech

I always thought nanotech was science fiction seems like it's science fact, I know it's not quite what we have seen in films and games, but with the rate technology is evolving maybe it's not to far away. What use will we have for this tech?

http://www.news.gatech.edu/2014/04/06/self-assembled-silver-superlattices-create-molecular-machines-hydrogen-bond-“hinges”-and

It's been real for a while

@MonsieurX: yeh but it's actually forming complex structures that could be useful. Did you even read the article? this is obviously a new development in nanotech.