A firm is looking to implement a data warehouse which will hold all of their customer data $($both existing as well as new prospects$).$

$1-$How should they go about the design and selection process?

$2-$They currently have close to $5$ million domestic customers, but they are considering expanding internationally, do you think that will impact the design and selection process and if so$,$ how?

$3-$Finally, the firm is very concerned about what is being said about their products on social media, how would you recommend they addressed this concern?