Episode 20: Michael Plasmeier, Michael Gdovin, Ed Rochon, and JD Dorfman go war walking through Havertown, PA to see who hasn't secured their wireless networks. (6:41)

Episode 19: Michael Plasmeier and Michael Gdovin explain why and how to secure your wireless internet connection. (8:14)

Episode 18: Michael Plasmeier and Ed Rochon explain the helpful tools provided on CollegeBoard.com to help you plan for college. (8:01)

Episode 17: Matt McMullan and Michael Gdovin share Audacity, a free-open source audio editor and tips on how to use it to edit and improve an audio podcast. JD Dorfman tells you how to get the LAME encoder to create MP3s. (9:46)

Episode 16: Michael Plasmeier and JD Dorfman explain the RSS feeds spreading around the internet. Learn what it is and how to use them on this episode of Tecker 911. (9:06)

Episode 15: Michael Gdovin and Ed Rochon teach you how to destroy stuff ranging from CDs to hard drives, to even the entire computer box! (7:09)

Episode 14: Michael Gdovin and JD Dorfman show you around this alternate operating system based on Linux. Ubuntu is perfect for users with basic needs because it's friendly and easy to use. (5:04)

Episode 13: Michael Plasmeier and Ed Rochon share Google's Docs and Spreadsheets online word processor and collaboration tool. (7:09)

Episode 12: Michael Plasmeier and JD Dorfman show off Microsoft's new Office 2007. It's radically different with its new results-oriented UI and "ribbon" interface. (11:41)

Episode 11: Windows Vista: Michael Plasmeier and Michael Gdovin are running the new version of Windows, Vista. They lead you around the OS, explain new features, and tell you if you should buy it. (16:14)