The feature is instant posting. There's probably no exception among Twitter userati who have at least once posted a blunder and regretted afterwards. AdAge has put a list of social media blunders not of individuals but of companies.
I understand the urge to let the world know about your next great idea or campaign but you always how to think at least thrice.
Do you want to get a beer tender as a Chirstmas present, but have no one who'd give you one?
No problem, just use Heineken BeerTender App, choose another random fellow who'd like the same gift as you, make him (or it could be her, but chances are, you know, pretty shallow) a beer tender present, and auto-magically receive the same one back. Simples!
Here's great infographics on a typical daily and weekly activities of users on the Facebook. A few observations: weekly engagement rates are double that of daily rates: 20% comment daily on friends' photos but 46% comment at least 1-2 times a week. Is that because there photos friends post are not engaging enough, or because of frequency of visits of an average user?
Cheese brand Athenos Feta decided to promote idea of healthy summer eating on Facebook. A person submits his or her salad recipe with feta cheese as necessary ingredient that is both healthy and very yummy. You can share your recipes with your friends and people who installed the application.
As a result brand's page has 60 000 followers and its sales went up by 9% in the last 3 months. Also, bloggers outside of Facebook wrote 160 posts with brand mentioned as ingredient. You can see recipes and add your very own on page of Athenos Feta.