Many people see QR codes, but many people don't know how to use them since an additional app is required. Sometimes TWO apps are required such as Zxing Some newbie people open up a camera, and take ...
I've noted that sometimes convenient features are too far from users' expectations or habits. For example, I've noted that http://small-improvements.com uses a form without a save button and they ...
Most of the POS system images I see from google image search on "Point of Sale' have a bill- preview section on the same screen where the products are selected. Is this driven due to user-habit of ...