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. Yahoo bought the news reading and summarizing app, Summly, for $27 million in cash and $3 million in stock. Music streaming service Spotify is reportedly planning to enter a new field of media — on-demand video. And as the US Supreme Court prepares to hear arguments in two high-profile gay marriage cases, the hype has the Supreme Court trending on Twitter.
Check out the video above for more on these stories.