A controversial approval for the Palcohol brand of alcohol powder was revealed to have been made "in error" by the US Tobacco Tax and Trade Bureau.

After a business card for the Ukrainian presidential candidate Dmytro Yarosh was purportedly discovered at the scene of a deadly shootout in Slovyansk, Ukraine, Twitter users responded to the accusations of Yarosh's involvement by creating photoshopped parodies of the so-called crime scene evidence.

After the @USAirways Twitter feed posted a shocking photograph of a woman posed in a compromising position with a model airplane yesterday, the airline immediately apologized for the tweet and claimed it was the result of an honest human error.

For the season premiere of Kitchen Nightmares, the show revisited the notorious Amy's Baking Company, airing never-before-seen footage from last year's episode, interviews with Internet bloggers who covered the story and an encore interview with owner Amy Bouzaglo.

Not that we needed a life lesson on why one shouldn't joke about carrying out a terrorist plot on Twitter, but a Dutch teenager found out what happens the hard way after she tweeted at American Airlines with a warning of an imminent attack yesterday. As it turns out, jokes about terrorism don't fly on Twitter, especially when directed at airline companies.