Intresting way to gain new sign up's.
Blockchain base social network https://friendster.io (https://friendster.io/register?signup_referer=mbyz1) make a annoucement on twitter below:
QR Code Challenge - Win 20k Friendster tokens!
Retweet + tag 5 friends
Get QR code at ‘Invite your friends’ in Friendster profile
Take a photo / screenshot of your QR code somewhere it will get noticed, post below! Most creative win! 4 prizes x 5k tokens. End 17/6
On above annoucemnet dozens of followers started posting their ways to attract new members.
