A conversation involves at least two people. But how does it actually work? In English we respond to each other in subtile ways to make sure we are really communicating. Learn about "confluence", the relationship aspect of language, in this week's grammar exercise.
In our podcast for 27 February 2013, we talk to New Yorkers about the digital age. Do smartphones, Facebook and Twitter help people communicate better? Or are we losing the ability to really connect with each other?