It's not early. Almost as soon as the 2012 Olympics are over, some efforts at publicizing the 2016 Olympics will begin, even if major advertising efforts will take place closer to the actual date of the competition - starting at least in 2015, so people can book hotel rooms and the like.
Designed by the Brazil team at DaltonMaag
http://rio2016.com/en/news/news/rio-2016-launches-a-font-inspired-by-the...