Social media has become an integral part of our PR campaigns at BLASTmedia, especially Twitter. Clients often ask us, “Who is using Twitter and why should it matter to us?” eMarketer recently published an article that answers both of those questions, and many more. Want to know the demographics and usage habits of the microblogging crowd? Read this article!

Here are a few highlights:

More than one-half of all Twitter users (53%) are women, and the majority are young.

75% of all Twitter activity comes from just 5% of users.

Not surprisingly, the more followers a user has, the more that person tweets.