HEIGHT OF REPETITION: Forwarding an email to someone and receiving the same email forwarded back to you by someone in the receiving chain.

HEIGHT OF ISOLATION: Two persons sitting side by side using emails to communicate with each other.

HEIGHT OF COWARDICE: Two persons fighting through emails.

HEIGHT OF HELPLESSNESS: Receiving no emails for a week.

HEIGHT OF FRUSTRATION: The email server being down.

HEIGHT OF CARELESSNESS: Writing an intimate email and doing a 'Reply All.'

HEIGHT OF ACHIEVEMENT: A person sending email to a girl wanting to become friends and getting a reply.

HEIGHT OF TIMEPASS: A person sending email to himself.