Which situation$($s$)$ are considered an unethical use of technology? $($Select two!$)$

Which situation$($s$)$ are considered an unethical use of technology? $($Select two!$)$

Using algorithms that arbitrarily privilege the characteristics of one group over others.

Using algorithms to perform statistical analysis for gambling purposes.

Using street$-$light cameras to photograph drivers without their knowledge.

Using AI facial recognition systems that don't work when dark$-$skinned people are scanned.