In the context of GPS-enabled location-based services, the ability to see another person's location is an example of ________ service

At one time, prime and subprime RMBS were traded in separate markets. Why?

What will be an ideal response?

________ is a deep commitment to rebuy or repatronize a preferred product or service consistently in the future, thereby causing repetitive same-brand purchasing

Fill in the blank(s) with correct word