You can refer a friend in a number of ways on Mindlogr. Firstly goto the options menu and select the 'Refer a Friend' item.
You can then refer a friend directly with their email address. Enter their emails into box and click Send Invitation Emails. Enter one email per line.
You can also share using social media. Click on the Share & Earn menu item on the left.
You'll find your own unique link here and buttons to share that link via Twitter or Facebook. It looks like this:
You can also copy the link and share it wherever you like. Every visitor who clicks on your unique link will be tracked to you and therefore you'll get a free upgrade promo code if they become a Mindlogr member as well.