This is a video embedded on the page from Youtube, this has many benefits, Youtube does a great job of optimising your video when you upload it, they also do great stats and analytics for your video and even breakdown views on Youtube and views from the one embedded in your page.

The FaceBook feed on the left is a simple plugin that lets you control how many posts you want to show. This is great for getting your personality across and showing upto date content if your site is somewhat static.