Barnes and Noble’s site is pretty use to use. If you are looking for a book, music, movie or just browsing, the search will find what you are looking for.  The process for this site would have the code extremely difficult to understand to the reader, but very necessary for the user to move along the site.  While browsing on the site,the reader might find a book or item that they are interested in so they will click on the item. The connection of the item would have to link the reader to the next page that shows the reader what the item is about, reviews and other information like price the reader would need to know before ordering.  If the reader would like the purchase the item, the next step for the code would have to link the reader to a log in page for the website.  If the reader does not have a user for the site, there would be a link for the reader to by pass so they could still purchase the item.  Next after the reader has either logged in or by passed the log in, the reader would have to type in information for billing or the purchase cannot be complete.  The whole process has to work perfectly for the reader to get to purchase the item. One mistake in the code, errors would have the reader confused and frustrated. All connections web designs have will have to work perfectly so readers can easily glide step to step.