Facebook reveals love triumphs over anger as it tweaks reaction algorithm

It's been one year since Facebook redesigned its hallmark like button and added a suite of emoji reactions, and now the company is changing how the feature impacts users' news feeds. 
For the past 12 months Facebookers have been able to react to updates, articles, photos, videos and branded content using icons which represent a range of emotions from 'love' to 'haha' and 'anger', but the social network is now rejigging the way it weighs reactions to surface content.
"Over the past year