Identify the emotional tone present in the given statement: 'They were pretty cool in, like, 2010, but then everyone seemed to realize that you could write on the wipeboard with the same effect. '.
The sentence expresses: 'optimism, realization, relief'.
optimism, realization, relief
They were pretty cool in, like, 2010, but then everyone seemed to realize that you could write on the wipeboard with the same effect. 