I received this email promotion from Aeroplan (so YMMV), they have a refer a friend promotion on right now where as a new member you can earn up to 15,000 bonus Aeroplan Miles.
You’ll earn 1,000 bonus miles for joining Aeroplan, which only takes a few minutes. If you don’t have an account and join I appreciate it!
Joining Aeroplan will allow you to earn miles with a network of over 75 world-class partners, representing more than 150 brands in the financial, retail and travel sectors. And you will be able to redeem those miles for travel to more than 1,300 destinations worldwide.
Then, you can earn an additional 1,000 bonus miles for each flight segment you fly with Air Canada (up to a maximum of 14,000 bonus miles).
Here is my invitation link to join.
1. Gain 1000 miles for suggesting contacts (1,000 bonus miles for inviting one or more of your contacts.)
2. Gain up to 7000 miles for those who join (1,000 bonus miles per contact who joins Aeroplan).
3. Gain up to 7000 miles for those who book (1,000 bonus miles for every roundtrip or two one-way segments flown on Air Canada by your Connections contacts.)