Filed under: Social Software, Web
New research shows Twitter might not be as addictive as tobacco
But while Shaq has become an active member of the Twitter community, Oprah used it for a few days after talking about Twitter on her show. Her last update was posted nearly a week ago and it looks like she may have abandoned Twitter. And recent research shows that Oprah's experience may actually be far more common than Shaq's.
According to Nielsen Online, more than 60 percent of the people who sign up for Twitter fail to return to the site a month later. So while the number of registered Twitter users is on the rise, the number of active users is climbing at a much slower rate. As Nielsen puts it, "there simply aren't enough new users to make up for defecting ones after a certain point."
Of course, Twitter is still new and it's just starting to break into the public (non-geek) consciousness. So there's still plenty of room for the service to grow. But new users will have to find a reason to stick around.

With Halloween fast approaching, it's a great time to get in some practice defending your territory against zombies. In Graveyard Shift, you take aim at zombies and other creepy-crawlies, blasting them into splatters of cartoony green guts. It's a casual first-person shooter, and it's very easy to get the hang of - use the mouse to aim, click to fire. Graveyard Shift has at least 15 levels, and it might even have some secret stages I haven't unlocked yet.
They key to getting good at Graveyard Shift is learning to use ...
