$($a$)$ What is data mining? $(1$ mark$)($b$)$ Provide two examples of the applications $($any$)$ where data mining is being used in our society $($at least two sentences $(20-30$ words$)$ for each example$)(2$ marks$).($c$)$ Explain one advantage of the data mining process if it is fairly used and one disadvantage if data mining is misused $($at least two sentences $(20-30$ words$)$ for each advantage and disadvantage$)(2$ marks$).($Total marks: $5)$