Facebook introduced Pay, which -according to the official statement- “will provide people with a convenient, secure and consistent payment experience across Facebook, Messenger, Instagram, and WhatsApp.” The feature will roll out in the US this week. To use Facebook Pay, go to Settings > Facebook Pay and add a payment method (it already supports most major credit and debit cards and PayPal). The next time you make a payment, you can use Facebook Pay. Once released on WhatsApp and Instagram, you’ll be able to set it up directly within each app. Interestingly, Facebook cared enough to highlight that “Pay is built on existing financial infrastructure and partnerships, and is separate from the Calibra wallet which will run on the Libra network”, probably to distance itself from the latest defections…