Lots of awesome stuff! :) They will receive their first GB free once they've successfully signed up and activated their Virgin Mobile SIM card. After that, they'll continue to get the free GBs, over the next 2 months when their plan renews.
Look out for your cashback reward; it will get added to your in-app wallet.
Use the cash in your app wallet for boosters, m-Parking, roaming and more.
Invite as many friends as you like in a year to join Virgin Mobile and get cashback rewards from up to 4 friends, each year.