By Juli Monroe Last week I wrote an article for one of our sister sites, GadgeTell, on ways Barnes & Noble could remain relevant with the Nook line. While I stand by everything I wrote in that article, I missed an important point. One of the reasons I stay with Amazon and my Kindle Touch is because of the “Send To Kindle” feature. Send to Kindle allows you to treat personal documents the same as Amazon content, including syncing between multiple devices. It’s easy to use. After downloading and installing the app, simply right-click on a document, and Send to Kindle will be...