Facebook overhauled its video strategy during the second half of 2017, but it was already working quite well if we can believe various surveys that show it has been closing the gap on YouTube for mobile views. The latest survey, admittedly without any indication over methodology, from Openwave Mobility, a provider of traffic management software for MNOs, suggests Facebook is posed to overtake YouTube worldwide for mobile views and has already done so in many developing countries. This highlights the success of Facebook’s mobile app and also the first stage of its video strategy which began in earnest in 2014, focused on engagement around very short form video mostly published in its News feed. The aim was both to increase…