Every tag I've submitted so far has caused an error.
We are sorry, we have too many requests at the moment... :(
It reminds me of Google Fight (http://www.googlefight.com/), which, back in the day, was sometimes useful to settle some spelling disputes :) (now, Google does this for me)
However, I'm not quite sure what to try HashtagBattle with.
We are going to display the most popular battles, so you'll have ideas about what to try :)
The question now is: is it vertical enough to be kept alive by twitter ?
And it was developed during a startup weekend! Kudos to camilleroux!
Yes ! At Sophia Antipolis (south of France, French Riviera)