Peyman Sabet teaches ESL at Curtin University, Australia. He has taught sociolinguistics, and research methodology at Curtin University, and EFL, linguistics, teaching methodology and research methodology to undergraduate students of TEFL in Iran. His research interests include vague/elastic language and teacher education. Grace Zhang is an Associate Professor at Curtin University, Australia. She has published extensively on vague/elastic language, including books and numerous journal articles. Her most recent book is Elastic Language: How and Why We Stretch Our Words.