The Toshiba Qosmio F755 will deliver 2-D or glasses-free 3-D content on a 15.6-inch display

One of the biggest obstacles to 3-D adoption in the home is the requirement for uncomfortable, eye-straining glasses.

Now there is an alternative, at least in the laptop department.

Today Toshiba introduced the world’s first glasses-free 3-D notebook. The Qosmio F755 has an Intel Core i7 processor and NVIDA GeForce 540M graphics, as well as Harmon Kardon speakers, a Blu-ray drive and HDMI output. It can display content in either 2-D or 3-D.

To achieve a 3-D effect without glasses, the F755 uses an...

Facebook debuted a new app for smartphones Tuesday, allowing users to send text messages to each other from their smartphones using Facebook’s messaging system.

The app in question — Facebook Messenger — is an extension of Facebook’s existing messaging system, which allows two Facebook users to communicate within the Facebook platform. As a standalone program separate from the Facebook app, Messenger allows Facebook users to send text messages between phones, while still storing the conversation in a user’s messaging center on his or her individual Facebook page.

Facebook’s Messenger app is a...