The paper adds to a growing body of research suggesting marriages that start online are stronger and last longer than relationships that start offline.
The research doesn't prove that online dating causes relationships to be stronger.
The company is also building a "Join Group" button, which can send out invites for your group via email.
For example, a study published in the journal Proceedings of the National Academy of Sciences in 2012 looked at about 19,000 people who married between 20.
People who met their spouse online said their marriage was more satisfying than those who met their spouse offline.
But "the reality is today we haven't built any feature to help people find a partner."Zuckerberg previewed a few screenshots of the feature, which will let you create a dating profile and meet singles outside of your friends. Users who unlock it will create a profile that friends can't see, and singles can then view potential matches by checking out groups or events going on nearby.
They can then start chats with other singles in a messaging app that will function outside of Facebook Messenger.