Trends of the week - in 60 seconds
Our quick-fire roundup of this week's trends.
A thread on Reddit lists US customs considered strange or pointless by non-Americans, and Venezuelans post pictures of empty supermarket shelves as a form of protest amid shortage problems.
These, and more social media trends of the week, in our 60-second round-up.
Produced by Samiha Nettikkara and India Rakusen
Video credits: APTN
Picture credits: Getty Images, ThinkStock, Pakistan Tehrik-e-Insaf
You can hear more from the BBC Trending team on BBC World Service every Saturday at 10:30 GMT, and you can subscribe to the free podcast here.
Want to watch more Trending videos? Subscribe to our YouTube channel here.