Provide one example of how information technology has created an ethical dilemma that would not have existed before the advent of I. T.

One of the  top ethical dilemma is privacy issue.

Explanation:

With advent of I.T., personal data are kept in a digital platform which can be vulnerable to security breach. Hacker or other unauthorized parties can find their way to breach the computer system and steal the private information of the user.

Besides, the users' activities of computer machine can also be tracked. This is often happen in a corporate world where some employers tend to monitor their staffs' work performance through the computer. This can be an offence to the privacy of an individual.