Synopsis: \t\t\t \xa0\xa0\xa0 This week Mark and Shawn wrap up their four-part series on Google Apps with a look at the Google Apps Marketplace and some of their favorite addons. \t\t\t Links: Aviary.com SlideRocket.com \t\t\t SherpaTools.com Pixetell.com \t\t\t TIPS: \t\t\t \xa0 Tech Tip of the Week: Display Changer -\xa0 changes the display resolution, runs a program, then restores the original settings. \t\t\t \xa0 Teacher Tip of the Week: GraphCalc \u2013 The Ultimate Windows Graphing Calculator