Facebook changes and changes quite often.
The latest changes though will benefit businesses a lot more.
The video is talking about the ability to switch from your profile to a page and interact with other pages.
This is a great move to benefit businesses and allow partnerships.
Here are a few more recent changes:
No more tabs on the Facebook pages.
You don’t need to use fBMl anymore to build the pae
The featured liked pages show on the left. If you own several pages this can be good.
E-mail notifications. When you receive a comment on your page you can now get an e-mail notification. This can be very useful.