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. Android and iOS users will get access to BlackBerry Messenger starting Sept. 21. Google is set to take on aging and the diseases associated with it with a new company called Calico. Finally, the iPhone 5S launches Friday and with it comes a whole host of new features.
Check out the video above for more on these stories.