| 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           | 
              
          
                  | 
            Using and analyzing images: Public transportation           | 
                  
            percent           | 
                  
            100           | 
                  
            1 year ago           |