AmEx launches Serve Facebook app for friend-to-friend payments

American Express last year launched its Serve payment system taking on PayPal head on. Now, it’s following PayPal’s move to enable personal payments through Facebook with the launch of a Serve Facebook app, that allows users to pay each other back for free without leaving Facebook.

Twitter begins larger rollout of enhanced brand pages

Twitter on Wednesday switched on enhanced brand pages for accounts owned by National Public Radio, NBC News, Volkswagen, and others. This is the first batch of premium Twitter pages from companies other than the handful of launch partners who unveiled enhanced brand pages in December.

The long road for mobile payments

American Express has worked up an infographic charting the rise of mobile payments, highlighting a lot of the milestones over time. All this work in the past is now coming together to make mobile payments a mainstream technology.