Question $1$: $($a$)$ When constructing a digital marketing plan, what resources should be considered and why? $($b$)$ Review some cases of failed digital marketing plans. Share the key reasons behind their failure. Please be sure to mention the company's name and provide a brief description of the scenario.

Question $2$: What are the key factors involved in creating a social media campaign and why are these important?

Question $3$: Share $10-12$ tips that you obtained from this week's video lectures. Cite the corresponding source$($s$).$