Do you like this? You can now also wow this, sad this and angry this. Be prepared as social media misunderstandings could take an astronomical leap thanks to the social network's newest buttons. We look at them, and the impact of FB on emotions.

We also look at a technology which might eventually mean a trip to Jupiter is just a feature film's worth of time away, an inescapable PG Wodehouse reference about hangovers (inspired by this article:http://www.huffingtonpost.co.uk/2016/02/20/mcdonalds-big-breakfast_n_9281486.html) and some word origins.