How and why is the public the persona that Iago presents different from the character revealed in his soliloquies

In Shakespeare's play Othello, Iago presents a different persona in his soliloquies for a particular outcome; Iago is Shakespeare's most duplicitous character and this gives him the power through which he can explore ideas of deception, illusion, betrayal and reality. Iago reveals a very different persona to the other characters in the play because it is a large part of his deception with which he wreak's his revenge. It also adds another dimension of reality, …

…presents is different from the character revealed in his soliloquies is by deception. As readers it is frustrating to see the goings on of Iago's plan while the other characters are totally unaware until the last pages of the text, this is why Shakespeare's writing is so famous. Iago could be one of the most malevolent and devious characters in all of Shakespeare's play's, this thought is clearly presented to us through the text Othello.