Conversation so far:
What happened in 2009?
DSP announced that it would commence voting on January 28 at the group's official website for the follow-up single to "Pretty Girl".
what did they vote on?
the follow-up single to "Pretty Girl", which ended on February.
was the single successful?
"Honey" was the clear winner, with 60% of the votes.

Question: what was revolution?
Self-contained rewrite: what was revolution for Kara?