Users will still be able to read books already on the affected Kindle and Kindle Fire models. But starting on May 20th, the devices won't be able to download new content from the Kindle Store. If you still enjoy your first-gen Kindle ereader, there’s bad news. Amazon is preparing to pull support for several older Kindle models and Kindle Fire tablets that were originally released before 2013. On Tuesday, the company confirmed the news afte... [1750 chars]