Braintree develops code for easy mobile payments. When they were acquired by PayPal they co-launched PayPal Touch, a system allowing you to make mobile payments with a single touch.
The blue background type is programing code for moving money from one account to another. While the layperson may not get that, the developer community (we were targeting coders as well as consumers in an effort to get them to implement our code) did. Judging by the tweets, they appreciated the reference.