Since a few people are mentioning that this is not news: >We’re rolling out this feature over the coming months to all U.S. Gmail users over 18 years old, so k

Since a few people are mentioning that this is not news: >We’re rolling out this feature over the coming months to all U.S. Gmail users over 18 years old, so keep an eye out for the $ icon in the attachment options. I don't have the dollar icon when I compose in Gmail, but I haven't used Google Wallet before.