After Firefox 4 final release Mozilla has already thrown the next version of Firefox. The current nightly build download has shown the version as Firefox 4.2 alpha. Worldwide, Firefox 4.0 has already downloaded more than 22 million times!
I have been wondering is there anyone that having the shortest Twitter ID, and in that “shortest” criteria will definitely be an ID with only a single character. So I have done some searching, and found these twitter ID with a single character.