Top U.S. electronics retailer Best Buy has unveiled a line of 3D televisions made by Panasonic.

Lots of companies are hoping to cash in on the current enthusiasm consumers showed for 3D movies like “Avatar” and the new “Alice in Wonderland.” ESPN is unveiling a 3D network this summer. Discovery, Sony and IMAX are expected to follow suit next year.

Will 3D TV be a big performer?

Guest: David Carnoy, CNET

Read more

Technology news site Ars Technica says up to 40 percent of its readers are using software that strips the site of ads.

Ad blocking denies significant revenue to Ars Technica, according to editor in chief Ken Fisher.

So, just a few days ago, the site ran an experiment designed to call attention to the downside of ad-blocking: It prevent readers who were using a specific ad blocking program from looking at Ars Technica.

Read more

A new smartphone app allows users to set a time limit on the life of text messages. Any message sent using TigerText — which got its name before the Tiger Woods scandal — can be deleted from the phone of the both the sender AND the recipient, as long as both are using Tiger Text. What’s more, the messages never pass through carriers systems,

Guest: TigerText founder Jeffrey Evans

Read more

Many United Kingdom libraries and universities are crying foul over proposed legislation that could make them responsible for the actions of people using their wireless networks.

The Digital Economy Bill, winding its way through the Parliament, includes a provision that would suspend Internet accounts of users accused of copyright infringement for the third time. The government has refused to provide exceptions for operators of public Wi-Fi hotspots, including Internet cafes, libraries and universities.

Guest: Lillian Edwards, University of Sheffield

Read more

Some psychiatrists have been pushing to have Internet addiction officially classified in the Diagnostic Statistical Manual of Mental Disorders. The DSM is published by the American Psychiatric Association, and provides a common language for therapists, researchers, drug companies, health insurers, and policy makers.

An editorial in Psychology Today magazine argues against Internet addiction making it into the DSM.

Guest: Clinical psychologist Todd Essig, PhD

Read more