Thumb Score: +1

Got an email today with subject: "<name>, you’ve been selected for this $ 10 offer"

tl;dr is to generate a virtual card number and spend at least $ 100 through Chrome to get $ 10 back

Instructions in email:
How do I get a virtual card number?

1. Next time you check out from your Google Chrome browser, make sure your Discover Credit Card ending in #### is saved to Google Wallet.

2. Enroll your Discover Card for a virtual card number.

3. Use your virtual card number for an extra layer of security when you check out in Chrome.2 Your credit card number is not shared with merchants.