What's Trending: Stand left or right? Is there a rude way to use an escalator?

One line or two? A surprisingly heated debate over escalator etiquette in South Korea has people asking: should we stand on one side and leave the other clear, or should everyone simply stand in two lines? And it turns out, escalators are just the beginning. From chope-ing tables with tissue packets and squeezing into queues, to giving up MRT seats and blocking pavements, Singapore has plenty of unwritten rules about how we’re supposed to behave in public. But who actually decides what’s rude and are Singaporeans becoming less considerate? On What's Trending, Hongbin Jeong, Nadiah Koh and Nazirul Asrar get into the social etiquette debates that can turn a perfectly normal commute, queue or meal into a minor public showdown.See omnystudio.com/listener for privacy information.