How dumb are some posts on Facebook?

We now know thanks to a new site called "We know what you're doing" .  The developer, Callum Haywood, of the site has aggregated some of the choicer, or more to the point, dumber content for us, delivered courtesy of Facebook via its Graph API,.  

He's focused his attention on these four buckets of Facebook status update embarrassment:

• Who wants to get fired? Haywood's tool populates this category by searching status updates for phrases such as "hate my boss."
• Who's hungover? Searches for "hungover" in updates.
• Who's taking drugs? Searches for words such as "cannabis."
• Who's got a new phone number? Searches for phone numbers.

Do these people want this information to be posted on a Facebook status update aggregator devoted to pointing out how oblivious so many people are to privacy settings?  Of course not, but hey, you posted it and didn't set your security settings appropriately, so it's all fair game.

We know what you're doing isn't the first social media aggregator launched with the express purpose of showing how people don't think before posting.

Please Rob Me is one such. Launched in Feburary 2010, the site uses checkin data from the location-based Foursquare social network that's subsequently posted to Twitter.