Rocket mortgage acquires redfin, what does this mean for real estate?

Rocket mortgage acquires redfin, what does this mean for real estate?

  In a surprise move, Rocket mortgage is acquiring the real estate brokerage company Redfin for 1.8 billion.  Why is a mortgage company interested in a real estate broker?  What does this mean for realtors, consumers, and competitors?  Will this purchase...