Here are some of the past week’s posts on TechCrunch Gadgets: ‘Twas The Night Before Christmas (Revisited) Nest Thermostat Teardown Reveals Beautiful Innards, Powerful ARM CPU, Zigbee Radio To Prevent Theft: Car Seat Identifies Drivers Sitting Down Kickstarter: spnKiX Are Motorized Shoes – Yes, Motorized Shoes Video: The Interactive Angry Birds Christmas Lights Display Siri, What Were Your Top 5 Hacks And Mods Of 2011?