News - 1) Amazon updates the Kindle Fire software to version 6.2.1 . Consumer Reports and David Pogue are impressed. As is Stephen Windwalker.  2) Kindle for iPad, iPhone and iPod Touch receive an update. Tech Tip - Why I had to reset my Fire to factory default, how to download a Project Gutenberg book in Kindle format to the Fire, and why the E Ink Kindles are more convenient for Project Gutenberg downloads. Interview (Starts at 16:08) - Mark Isero, an AP English teacher at Leadership High School in San Francisco, is using five Kindles in his classrooms. He and Anthony Beasley, a senior at the school, talked to me by Skype on Monday, December 19th, about how the Kindle experiment is going. Content- BOOKS: A Kindlesphere blockbuster arrived this week and is available for 99 cents through Christmas. It's The Complete 2012 User's Guide to the Amazing Amazon Kindle: Covers All Current Kindles Including the Kindle Fire, Kindle Touch, Kindle Keyboard, and Kindle by Bruce Grubbs and Stephen Windwalker, creator of Kindle Nation Daily.   Also, Our Dog, Lucca by Moe Zilla (free).  VIDEO: NSFW and probably offensive to most listeners, comedian Louis C.K. is breaking new ground with his $5 direct sale of the video for a show he produced. In 12 days he's earned $1 million from the project, and he's putting the money to innovative use. If you liked the late George Carlin, you may enjoy Louis C.K., who gave this tribute to Carlin. MUSIC: How to use Amazon's MP3 Uploader to copy your iTunes music to the Amazon Cloud and Kindle Fire. APPS: Wattpad is an innovative and successful content site offering unlimited stories. ES File Explorer and AndroXplorer are free apps for managing your Kindle Fire files. This just in (and received too late for the audio): 7 Dragons has launched a solid 99-cent app available for the Fire. It's named Alarm Clock, Calendar, ToDo List - Productivity Helper. Another app worth noting: a free app connecting you with Kindle Nation Daily. PODCASTS: The Unofficial Kindle Fire Podcast is worth checking out! The Next Google Plus TKC Hangout will be Wednesday December 28th at 3 p.m. Mountain Time, since we'll be back in Denver.