The Internet was filled with things to love this year – but a lot to hate, too, and 2013 was the year we decided that hate was more interesting. We started hate-reading, hate-watching and crowd-sourcing public ridicule. We turned our timelines into a non-stop stream of stuff that made us collectively cringe.

And the posts listed here really made us cringe. Sending a tweet, Vine or Instagram photo has always been just another opportunity for embarrassment, but these blundering brands and bone-headed tweeters stand out as the worst of the year.

In the interest of living and learning (and convincing ourselves that these massive slip-ups will never, ever happen to us), here are the biggest social media blunders of 2013. Let these ill-advised posts serve as a lesson to us all: In 2014, think twice before you press that tweet button.