Before revision:  However, due to the limited sample size in surveys and the dynamic topics over time , we instead conduct a large-scale social media study using Twitter data to portrait different groups who have positive/negative opinions about WFH.
After revision:  However, due to the limited sample size in surveys and the dynamic topics over time . This study aims to understand the U.S. public opinions on working from home during the COVID-19 pandemic. We conduct a large-scale social media study using Twitter data to portrait different groups who have positive/negative opinions about WFH.