We were told last month Facebook had been working on a new version of its iPhone client with Graph Search and testing a major rethinking to the standalone instant messaging software, Facebook Messenger (a free download from the App Store).
Today, the social networking behemoth announced a new Messenger experience is now available for limited testing on Android and coming soon to iOS. Representing a major refresh, Messenger has undergone a substantial facelift and now lets folks instant-message each other using only their phone numbers, putting Messenger on a collision course with WhatsApp...