That's not all of them nor taking into account retweets. I know for a fact that my friends @Thomas_Brett and @fergusonat tweeted several time and aren't on that list. I think that list is made up of those who tweeted it the most times.
the chart was the "free" service so.. I think its limited... tried hashtweeps, which it gave results of 554 different people had twitted, but in the top left of the screen, it also said it had crashed... I'm completely new to twitter... yes, I know what it is, but never used it before.. Edit: here is Hashtweeps -
It started trending at midnight over here GMT, which is the early evening (7pm) in ET, which makes sense. People settling down with their laptops etc. Good job everyone.
It started trending at midnight over here GMT, which is the early evening (7pm) in ET, which makes sense. People settling down with their laptops etc. Good job everyone.