Directions to getting attention.
Step one: think of something really stupid that you know the answer too
Step two: write it on the forums acting innocent like you dont know the answer
Step theee: enjoy becoming trending because they think you are unintelligent but you are just an attention whore.
I think you will find the below stats valid in 2013 so somehow I think your a few billion short. There are over 7 million people in London alone.
7.125 Billion (2013)