Atlanta among top 10 Twitter-usage cities worldwide

Atlanta is among the top 10 cities in the world with the most active Twitter users.

The findings are based on a twitter tool, “Twitter Grader,” designed to measure the strength of a Twitter profile. It also measures other criteria, including the number of followers and profile updates, according to

Atlanta is No. 5 behind London, Los Angeles, Chicago and New York. Toronto, San Francisco, Boston, Seattle and Sydney round out the top 10.