Twitter grew 752 percent in 2008

Twitter has undoubtedly been the most talked about company of the past year, but how did it fare in 2008? According to Compete's U.S. statistics, Twitter grew an impressive 752% in 2008, reaching 4 million unique visitors in December. When Twitter started, it had 500,000 unique visitors per month. Twitter saw the strongest growth in the second half of 2008, adding 1 million visitors in December.