Google+ posts are rated unsurprisingly much higher in Google results than Facebook posts.
http://facebook.com/robots.txt
Their sitemap doesn't even load for me.
(I don't use Facebook so I don't know how much this covers, but it's an interesting read compared to http://plus.google.com/robots.txt.)
User-agent: *
Disallow: /
Yep, pretty much everything.Is there even such a thing as a 'personal Facebook post that's public'? As you can tell I'm not a regular user...