A city library is launching a new mobile app for borrowing e…

A city library is launching a new mobile app for borrowing e-books. Before promotion, the PR team surveys potential users to understand their reading habits and app preferences. After launch, they track app downloads, feature usage, and user feedback to improve messaging. This research is an example of ________.

Samantha uses her new smart home scale to weigh her luggage…

Samantha uses her new smart home scale to weigh her luggage before traveling. It shows 25 lbs twice in a row. Later, her friend uses the same scale and notices it shows 200 lbs even though he knows he’s 225 lbs. They realize the scale is consistently off due to a calibration issue.What can we conclude about Samantha’s first two weigh-ins