14 DAY TRIAL // A welcomed feature after all these years, you can now link your Twitter account with your Facebook profile, enabling you to post your Facebook entries to Twitter directly from the site.
Just to make the distinction, Facebook has enabled companies, brands and artists that have set up Facebook Pages to post to Twitter and link up their accounts.
This made it easier for these public faces to maintain both profiles, they didn't have to manually tweet everything they posted on Facebook.
But Facebook hasn't allowed the same functionality for regular users until very recently. Some documents that surfaced during Facebook's f8 conference indicated that Facebook was working on Twitter integration.
The feature wasn't available for f8, it took a couple more months, but it is now live and accessible to all. Just visit facebook.com/twitter, click the "Link My Profile to Twitter" and follow the instructions there.
Once the two accounts are linked, you will be able to post to Twitter from Facebook just like you would with any other third-party application.
Of course, only public posts can be shared to Twitter, it wouldn't make sense for anything else, even if your Twitter friends are the same as your Facebook friends. Plus, the more publicly shared content the better, Facebook has always believed.
Apart from having to be public, you can post pretty much everything and you can even choose to share only some type of posts on Twitter, for example only those with photos, links and so on.
Facebook recently started enabling users to follow someone on the site without actually having to become their friend. This asymetrical friending model, best exemplified by Twitter, has been completely against what Facebook has stood for, for years.
But Google+'s success finally made Facebook realize that there's power in enabling users to set up public profiles, without having to create a Facebook page to do it. Being able to to post things to Twitter fits into that.