Import your contacts safe from an external source or add them manually... The easy way:
1) Use your existing mail providers to automatically invite your friends! . Enter your login information, and then simply select the contacts your want to invite.
The Less easy way:
2) Add emails one by one by hand.
Press Manually add Emails. Enter the name and email of the contact, press ADD, continue until you have all contacts listed
That is how easy it all works.
3) When the invitations are send it will say so, otherwise you might have entered the wrong security code
Privacy is very important to us, no email address will be sold or leased to anyone