For
It helps them improve service and product selection.
Against
It invades privacy and feels uncomfortable.
Anonymous excerpts, translated where noted.
“A loyalty program can help a business discover customer preferences.”
“The goal is to make offers feel more useful, more timely, and more connected to what the customer already seems to care about.”
“The app requires access to your Wi-Fi connection information, phone, camera, location, storage, photos/media/files, and MANY others.”
“But what makes me really upset, is that Amazon Android App really sold my data to third parties.”