A 42K 1-Click Kindle book from Amazon, a 3D eyetracking mobile phone interface called TAT Cascades from The Astonishing Tribe, a program called DoubleTwist that will sync media from your computer to many devices, a Quick Quiz with Shira Lazar, a website called FreeVoiceLine.com that will connect your phone calls for free and floating signs.Synched Up is a fast and fun tech show featuring the latest gadgets, websites, viral videos and whatever else is connecting the digital world. Rich DeMuro …