According to 'Global Language Monitor' (factoring out words like the and I), in 2008, the top word was change, likely due to the US elections. For 2009, the top word was 'twitter'.
I is the most popular (most used).
If you are considering the usage of the English speaking world in general (not just the internet users), these are still the most used:
See the links below to 'read more about it'.
The worlds favorite color is pink, purple, green ,and blue.
Over all, I belive that blue is the worlds favorite color with over 40% of the worlds population choosing blue.
the worlds 2 favorite game character is mario the worlds favorite video game character of all time is sonic
cinnamen
237
Yes, 'worlds' is a real word.
tiger
the one that comes from the can
starking, my personal favorite is "pink lady"
Vanilla
Roses of course their the best
not yet......