Before revision:  The results of sentiment analysis indicate that 45.7  express positive sentiment towards Trump in Twitter and 33.8  positive sentiment towards Biden, while 14.55  of users express positive sentiment in YouTube metadata gathered towards Trump and 8.7  positive sentiment towards Biden  .
After revision:  The results of sentiment analysis indicate that 45.7 express positive sentiment towards Trump in Twitter and 33.8 positive sentiment towards Biden, while 14.55 of users express positive sentiment in YouTube metadata gathered towards Trump and 8.7 positive sentiment towards Biden . Our analysis fill the gap between the connection of offline events and their consequences in social media by monitoring important events in real world and measuring public volume and sentiment before and after the event in social media .