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. Samsung is set to join Apple in the race toward wearable tech. ARM Holdings, a company that designs the architecture behind many mobile CPUs, is announcing the retirement of its CEO, Warren East. Finally, it didn’t take long for LeBron James’s dunk on the Celtics to trend on Twitter — well, kind of.
Check out the video above for more on these stories.