Freddie does "the worm"

Freddie has figured out how to move! It's not a traditional crawl but more of a worm-like maneuver. Check it out!

He's actually getting really fast at it too. The baby-proofing has become a must-do instead of something just in the back of my mind. I got some foam to stick to the furniture edges and corners. What else should we take a look at? I was all set to socket covers but then I came across this article in the Telegraph suggesting otherwise.