Some highlights of our comparison of Twitter usage between 2009 and 2010 include:
Users with 100+ friends have increased by three-fold to 21% since 2009.
22.5% of users accounted for about 90% of all activity
80% users have made fewer than 500 tweets
Significantly more users are disclosing their location, bio and web information in Twitter profiles
In looking at how long Twitter users have been on the service, one of the surprising discoveries was how many of people have joined this year. From January, 2010 until mid-August, 2010, new users accounted for nearly 44% of the total Twitter population. People who created a profile before January 2009 only accounted for 4.7% of the total population
When it comes to number of friends that people have on Twitter, only 0.05% have more than 10,000, and only 2.05% have more than 1,000. The vast majority of users – 95.8% – have less than 500 friends
72% post updates related to their personal life, activities or interests. One in five (19%) say they post personal updates once a day or more
62% post updates related to their work life, activities or interests, with 12% doing so on a daily basis
55% share links to news stories. One in ten (12%) do this at least once a day
53% retweet material posted by others, with 18% doing so on a daily basis
52% send direct messages to other users, with 11% doing so on a daily basis
40% share photos with others, with 12% doing so at least once a day
28% share videos with others, with 8% doing so once a day or more
24% tweet their location, with 7% of users doing so on a daily basis