A billion users strong, Facebook introduced the world to a litany of new stuff this year, most of which users immediately hated.
It's a tradition to spend some time at the end of a calendar year and reflect a bit on what happened in the last 12 months. And indeed Facebook did just that with a year-end blog post about how people made use of its service in 2013. However, we felt their post didn't tell the whole story, so here are a few of the less glamorous highlights.