I couldn't find it in the FAQ

Click it and it'll tell you

:0

It'll basically allow you to send a contact to the person you're sharing it with. You'll be able to type your email or kik or whatever, but the other person will only see it after they send you yours. :)

Ah i see, thank you. I didn't want to click on it since I didn't know exactly what it did. @Zeus and thank you @mightyoak for helping me get an answer

Haha, no problem :D

And thank you too! @rayofsunshine

Haha it's fine! I just found out what it did yesterday myself