If you follow us on Facebook, Twitter, or Instagram, you may have noticed an exciting announcement this week. Or maybe you saw our video above from our founder and CEO, Brian Chesky. And for those of you who are curious, we wanted to share a little bit more about where this #OneLessStranger idea came from.

At Airbnb, we are more than just a way to find and list places to stay. What we actually provide is a unique kind of hospitality–a sense of belonging and comfort and community no matter how far from home you may be. Every time an Airbnb host welcomes a traveler, they are able to instill this belonging in someone new…. These hosts are making the world a more connected and better place, one less stranger at a time. And they’ve been doing it since the very first days of Airbnb.

This sentiment is exactly where our crazy, wonderful social experiment started.

Our mission is to create a world where all 7 Billion people can Belong Anywhere. So, in 2015, we are taking steps toward making that happen by creating a global, social experiment, #OneLessStranger at a time. And to do this, we need your help!

To be clear, this is not just a campaign. To us, this is a movement. It’s something we truly believe in, and have witnessed firsthand within our host and guest community. The stories we’ve heard from them are nothing short of incredible. And we want to see even more of them!

So here’s where you come in. We are asking you to perform a creative, unexpected, kind act of hospitality for a stranger, then take a photo or video with the person you meet to share on your social channels with #OneLessStranger.

You could buy coffee for the next person in line at the counter. Maybe give out free hugs at the airport. Get creative and make an old-school mix CD for the people next to you at a concert. The point is, your gesture doesn’t have to cost you anything. And, chances are, in return, you’ll be making someone’s day. The more creative, the more unexpected, the better.

The kindness of our community never ceases to amaze us. So we can’t wait to see what you come up with to create #OneLessStranger in the world.

Keep up with the highlights of #OneLessStranger at www.airbnb.com/one-less-stranger.