Welcome to this morning's edition of "First To Know," a series in which we keep you in the know on what's happening in the digital world.
Today, we're looking at three particularly interesting stories. T-Mobile announced it will stop carrying BlackBerry handsets in its brick-and-mortar stores. Valve shed more light on its entertainment plans. It announced Steam Machines on Wednesday to bring gaming PCs to your living room. Lastly, Google+ Hangouts experienced a glitch: Users reported that messages were being sent to the wrong recipients.
Check out the video above for more on these stories.