VR is a better mousetrap to keep people engaged and connected (two things FB values a lot as it drives revenue). What real-world problems does VR serve for the

VR is a better mousetrap to keep people engaged and connected (two things FB values a lot as it drives revenue). What real-world problems does VR serve for the average FB user? Or anyone frankly? Meanwhile, 3D printing could greatly improve how we design and fabricate things people use every day.