The app install screen includes a description of the app and the info an app requests to access. You may also see the types of activities the app wants to publish. The app install screen should appear when you use an app on Facebook or log into another website with your Facebook account (ex: Pinterest.com).
What is a UPC barcode? And how does it work? In short, the UPC is a 12-digit unique code for your product represented by scannable bars. Universal Product Codes (also known as GTIN-12) appear as lines (bars) of varying widths representing the series of numbers commonly shown below the bars. Barcode scanners read the bars and convert them back to the 12-digit UPC number that they represent.
If you go look in your refrigerator or pantry right now, you will find that just about every package you see has a UPC bar code printed on it. In fact, nearly every item that you purchase from a grocery store, department store and mass merchandiser has a UPC bar code on it somewhere. Have you ever wondered where these codes come from and what they mean? In this article, we will solve this mystery so that you can decode any UPC code you come across.