Air Canada sent out a targeted offer for 6,000 bonus Aeroplan miles for taking two flight segments between August 18 and February 28, 2015.
You must register and make new bookings between August 18 and September 22, 2014. Previous flight bookings do not qualify.
You can access and register for this offer here.
I received this offer from Air Canada as did a friend of mine. I have never credited an flight activity to Aeroplan and I am still not planning to do so.
Here are the terms and conditions of this offer: