This is a great way to test your patience. – Urban Outfitters Review

Seriously, if you want to test your patience, try purchasing something via the Urban Outfitters app. Want to log in? You have already logged in...except not. Do it again! Add something to your cart. Want to pay for it? Abracadabra, it's gone. Try again. Add it again, now you have double. Try to check out. You aren't logged in. No wait, you are. Except now that item is out of stock because you've added it to your cart 700 times.
Review by Ken Peltan on Urban Outfitters.