Just received an email from Citi this could be targeted
Opt in for 5% cashback (up to $100) on eligible retail shopping when you spend $500 or more.*
Eligible retail shopping merchant categories
Available to the first 10,000 primary credit cardholders
Opt in below and spend $500 or more on eligible retail shopping online or instore with your Citi Credit Card to enjoy this cashback offer.
I got it as well. Time to think about how to utilise this offer.