Every invite link has a little code at the end. Here's who has used theirs to bring the most friends along so far.
- 1
zusldbjfg***4@37 friends - 2
ytbhpy26d***h@25 friends - 3
opbm468ms***c@19 friends - 4
tkr0ifp5p***2@17 friends - 5
gy4haz29h***m@10 friends - 6
oo57e2ezk***1@9 friends - 7
fr7a9wtit***5@7 friends - 8
2hy5t8t7i***5@6 friends - 9
gx2evrodj***z@5 friends - 10
0vexgahdm***h@4 friends - 11
h7n7z501k***0@4 friends - 12
vcu8bn3af***o@4 friends - 13
8195zkczw***k@3 friends - 14
dxb2l16ss***8@3 friends - 15
jtkg2stva***6@3 friends - 16
lpfnw2j3l***1@3 friends - 17
o114ry7or***s@3 friends - 18
ook9f6oec***s@3 friends - 19
rl0dwubvl***z@3 friends - 20
xrnd4z32l***e@3 friends
Your code is the part after ?ref= in your invite link, and the letters beside it are the first and last of your email. Numbers update every few days, not live.