Facebook’s attempts to supplant Google as the dominant player driving mobile connectivity and web experience have failed so far, but at its F8 developer conference this week, it showed the latest results in two key areas which could make it the mobile pace-setter for the next decade. On the one hand, it is further expanding Messenger – transformed at last year’s event into a full platform – with artificial intelligence; on the other, it is showing off prototype networking gear designed to transform the economics of wireless infrastructure and connect the rest of the world. The social media giant may arguably have grasped the monetization of rising mobile traffic more rapidly than its rival, but several attempts to build a…