<html> <head> <title>About 1D barcodes</title> <link rel="stylesheet" href="../style.css" type="text/css"/> </head> <body> <p>Traditional barcodes, such as those printed on product packaging, are also known as <em>one dimensional barcodes</em>. There are several types commonly used, including UPC and EAN. Most look similar to this:</p> <p style="text-align:center"><img src="../images/big-1d.png" alt="1D"></p> <p>These 1D barcodes contain a unique code which typically describes a product, like a CD or a book. You can look this code up on the internet to find prices, reviews, and more.</p> <p>If you scan a book, you can also search the contents of the book for a word or phrase, and find all the pages where it appears:</p> <p style="text-align:center"><img src="../images/search-book-contents.jpg" alt="Search book contents"></p> </body> </html>