In 2010, Felix Sockwell did a good job fixing the Brazil 2014 logo.
This is the design that’s going to be used (without any of Felix’s tweaks).
“There are so many things wrong with this logo, but I will agree that its premise, or idea, was OK. Let me take a few minutes to tell you whats wrong with this mark and what I would do to quickly amend it.”
— FELIX SOCKWELL
(Slightly bigger image here).
I’m not keen on that lockup but those subtle symbol changes make all the difference.