Amazing Robotic Dog by DARPA funded Boston Dynamics - a quadrupedal robot

I stumbled upon this amazing video of a robot, its the quadrupedal robot which walks like an four legs animal, it has uncanny ability to maintain it balance just like a living being. But things those looks so easy for us like walking is not so easy to achieve in terms of robot, in Feb 2015 Boston Dynamics, the robotics company purchased by Google in 2013, which is best known for previously made BigDog, a quadrupedal robot designed to navigate rough terrain have came up with new iteration which is more stable and smaller than big dog.

See its video.
https://www.youtube.com/watch?v=M8YjvHYbZ9w

Looks amazing and creepy too.. but it if you see the one created in 2013, you will see how much work it takes to make such things.

https://www.youtube.com/watch?v=wE3fmFTtP9g

What do you think, do you need such quadrupedal robots in your real life.. though they are being developed for milit