It’s been an inevitability for some time now, but Canadian teenybopper sensation Justin Bieber has finally overtaken Queen of Twitter Lady Gaga as the micro-blogging social network’s most-followed user, grabbing the crown earlier today.

I know, I know. But the deed is done. Bieber’s time-of-writing 33,323,245 followers has edged Gaga’s 33,320,260 to put him at the very top of Twitter’s elite list of power-celebrities. And, as of right now, there’s literally nobody to challenge him.

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To celebrate her 49th birthday, FLOTUS Michelle Obama officially joined the Twitters.

Wonder what her handle is?

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In case you missed it, Jimmy Kimmel Live has a new 11.35pm timeslot and, as he takes on late night veterans Jay Leno and David Letterman, Kimmel has been doing the full court publicity press this week, with big celebrity appearances by Jennifer Aniston, Ryan Gosling and others on his show.

Last night, Kimmel introduced the third take on his popular “Celebrities Read Mean Tweets” feature, which first debuted last year. In this edition, Selena Gomez, Larry King, Dr. Phil, Simon Cowell, Tom Arnold and other famous folk read one particularly offensive message that’s been sent to (or about) them on Twitter, with hilarious results.

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The name “Jenny Johnson” reached near-household status last year thanks to the comedienne’s very public Twitter spat with Chris Brown.

Glamour magazine spoke to Johnson and got some intriguing insights about what went down with Brown, and more.

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On January 22, 2010, NASA astronaut TJ Creamer made history.

Of the more than 500 astronauts and cosmonauts who have been into outer space, only one was the first to connect to the Internet and tweet from 250 miles above Earth. That’s TJ.

We shared with you yesterday the cool news that Canadian astronaut Chris Hadfield was tweeting live form outer space last week with William Shatner, a.k.a. Captain Kirk. That technology was made possible by TJ’s groundbreaking tweet in 2010.

We had the opportunity to get some intel about the experience from the man himself.

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Beam me up, Scotty!

The one and only Captain Kirk was tweeting, real-time, with an astronaut in outer space this past week.

Actor William Shatner, the Canadian actor who portrayed the iconic captain of the Starship Enterprise on TV’s “Star Trek,” hailed Canada’s soon-to-be first space station commander on Twitter to find out the latest news from orbit.

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You’ve likely seen it reported countless times by now: Randi Zuckerberg, sister of Facebook’s Mark Zuckerberg, screwed up the privacy settings on a family photo and it ended up on Twitter. And she got all shades of angry about it.

People are saying it isn’t news (though it so obviously is) or they’re having fun focusing on the hilarious irony of the slip-up and her reaction to it – but what about the poor woman who unintentionally shared this “private moment?”

Is Randi Zuckerberg a Twitter bully?

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Here’s a comparison we never thought we’d make: the Pope is proving to be more Twitter-popular than pop culture tween icon Justin Bieber.

In his first full week on Twitter, Pope Benedict XVI is already scoring impressive stats.

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It’s the time of year for “year in review” reflections, and Twitter itself got us off to a solid start with their official look back at 2012.

Earlier this morning, we shared with you a handy tool for taking a graphical look at your own year on Twitter.

Now we’re turning to another big player to get a bird’s eye view (forgive us) of 2012 Twitter behavior: the entertainment industry.

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Calling all budding songwriters: Twitter can be your road to stardom this February.

Jimmy Fallon will be crowd-sourcing on Twitter the script of the new Lincoln MKZ commercial, slated to debut during the February 2013 Super Bowl.

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