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. Spotify symbolically staked its claim on the music streaming market Wednesday. The company announced it will no longer set limits on free, ad-supported streaming. Yahoo COO Henrique de Castro has parted ways with the company after 15 months. According to an internal memo, he was fired by CEO Marissa Mayer. And a report from Computerworld details a major security flaw in the Starbucks mobile app: It stores user’s passwords, email addresses and usernames in plain text, making them vulnerable to hackers.

Check out the video above for more on these stories.

Image: Spotify