I'll use FAST site as an example of a well put together site.
All there inventory. All there services. All there contact info.
It's easily attainable. Just click the box that you want. Facebook has a news feed that I have to scroll through. I can't just open up and find that thing that I saw a month ago easily. I can email directly from there website.
Like I said, I've passed up a few builders because there only accessible through Facebook