Analyze the following tweet to determine the level of anger expressed. The levels are: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: Creator, Jack Dorsey: 'The definition [of #Twitter] was 'a short burst of inconsequential information,' and 'chirps from birds'.'