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. Apple's latest acquisition is a personal assistant app called Cue, and rumors peg the purchase price between $35 million and $45 million. While we're on the subject on Apple, users are reporting some major errors with the internal sensors on the iPhone 5S. Lastly, amidst Twitter filing for its IPO on Thursday, Instagram has rolled out ads in your feeds.
Check out the video above for more on these stories.