A Quick Guide to MileagePlus X (MPX) (and why I still use em)
Introduction MileagePlus X (MPX) is an app that allows you to earn extra United Airlines miles for shopping with one of their listed partners. The app’s been out for a while but it doesn’t get much discussion. No surprises there, since it doesn’t look like United cares too much about this app either. The UI for iOS devices are still…
Read more