Synopsis:     This week Mark and Shawn are joined by Dirk Morris the founder and CTO of Untagle to talk about their unified gateway appliance. Links: Untangle.com Tightwad Tech listeners get 10% off any purchase when they use the code GET10OFF at checkout. TIPS:   Tech Tip of the Week: Dirvish- Open source, hard drive based, backup system   Teacher Tip of the Week: IfItWereMyHome.com -  Compare life in various countries around the world.