Changes in your social networks, electrical grounding for your home theater, checking in with Steve Martin, and more of your calls.

Host: Leo Laporte

Guest: Steve Martin

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Dick and Leo show off some gadgets they found on the Internet. Special guest Bob Heil stumps Dick with a mystery gadget!

Hosts: Dick DeBartolo and Leo Laporte

Guest: Bob Heil

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For more details and a chance to win the Mad Magazine "What The Heck Is It?" contest, visit GizWiz.Biz.

Is Android closed now? Microsoft picks up some used IPV4 addresses, Color breaks itself to fix itself, and more.

Hosts: Tom Merritt, Sarah Lane, and Jason Howell

Guest: Kevin Purdy

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Anti-trust in relation to Apple, AT&T and T-Mobile, Google search book settlement, piracy, and more.

Hosts: Denise Howell and Evan Brown

Guests: Alessandro Daliana and Doug Isenberg

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Talking points on Delicious

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TWiL on Friendfeed

TWiL on Facebook

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AT&T buys T-Mobile, Windows Phone 7, IE9, Firefox 4, and more.

Hosts: Paul Thurrott and Leo Laporte

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For a free credit toward the audiobook of your choice, visit Audible.com/windows.

Check out Paul's blog at the SuperSite for Windows.

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Leo & Sarah use Airplay on the Mac with Banana TV, Spin Play for audiophiles, Land-a Panda for gamers, a rad iPad 2 case, and more!

Hosts: Leo Laporte and Sarah Lane

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You can contribute to iPad Today by leaving us a voicemail at 757-504-iPad (757-504-4723) or sending an email to [email protected].

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Invisibility, why the sky is blue, light sails and weird science facts.

Host: Brian Malow

Guest: Greg Gbur

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Text donations to Japan delayed by carriers, Google Music gets a little more real, the PlayBook gets Android apps, and more.

Hosts: Tom Merritt, Sarah Lane, and Jason Howell

Guest: Clayton Morris

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Overclocked Radeon 6990, GeForce GTX 460 and 590 benchmarked, hi-res notebooks, and more.

Hosts: Ryan Shrout and Patrick Norton

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Send your computer hardware questions to [email protected].

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Andy Carvin from NPR, Chris Messina from Google, and more.

Hosts: Leo Laporte, Jeff Jarvis, and Gina Trapani

Guests: Andy Carvin and Chris Messina

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Friendfeed links for this episode.

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