Click the flag and use arrow keys or WASD to move. You can also drag near the edges.
L I B E T ' S D E L A Y I S T H E T I M E D I F F E R E N C E B E T W E E N B E I N G T O U C H E D A N D F E E L I N G T O U C H E D A S D I S C O V E R E D B Y B E N J A M I N L I B E T , W H O A L S O H A P P E N E D T O B E B A C K T H E R E . And me.