It's hard to get noticed at South by Southwest, a technology, music and film conference that attracts tens of thousands of people every March in Austin, Texas.
But a few companies did such crazy things, they stood out.
Here are some of the wackiest and coolest promotions we saw last weekend in Austin.
We spotted a whole crew of people from the referral company Roi Koi walking around with giant, light-up globes on their heads.
HootSuite packed people into a giant owl bike-mobile to ride around Austin while drinking beer.
A book-finding app called Squirl had these big guys stationed around the main drag.
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