"Radicalised" London... and other trends of the week
13 December 2015 Last updated at 00:23 GMT
How did British Twitter users mock Donald Trump's claims about "radicalised" London, why did Kenyans celebrate their president being at home and why did a computer firm's diversity campaign come under fire this week?
Find out in BBC Trending's round-up of the week. And you can also listen to our World Service radio programme here.
IBM have apologised for #HackAHairdryer. You can read more here
Produced by Jonathan Griffin
Picture credits: Reuters, AP, @RaeesQlHaq - Twitter, @VoightKE - Twitter, Erwoti -Twitter, IBM, @StephEvz43 - Twitter, Janta Ka Reporter - Facebook.