Here it is! Season Finale of Take a wild guess! Season 1. Thank you for all of your support. What is grammar? What are punctuation marks? Who makes the rules? Why does it matter? What difference does it make if I use a comma instead of a full stop. I don't think I will ever get the answer to these questions. But there is one punctuation mark that has a very interesting 'biography'. Listen on to know the story of one of the most interesting elements of grammar.