WSJ.com: The Mossberg Solution

A guide to the social-networking service Twitter that explains how to use it, the lingo, privacy options, and problems that it has.

Kodak Theatre HD Player pulls photos and videos from computers around the house and displays them on an HDTV. The player is a lot of fun to use, but isn't all smiles.

VideoSurf.com uses smart technology that can save people the aggravation of watching videos that aren't what they appear to be, but it has some rough edges.

Flip MinoHD is a simple camcorder that records high-quality video. But its small screen size and inability to share true HD footage via the FlipShare software can be disappointing.

The BlackBerry Bold is bulky in size, but it's a huge asset for on-the-go productivity.

Buzzillions.com does a good job of balancing product reviews and culling the most-appropriate ones for certain people based on personality traits.

The Android Market applications for Google's new G1 handheld computer are useful, entertaining and mostly straightforward.

The new BlackBerry Pearl Flip is a stylish messaging device that works well as a comfortable phone.

Wireless headsets have recently bolstered their noise-canceling technology, making it easier to talk on noisy city streets.

Alerts.com and Yotify.com, sites that help users find Web content using alerts, use forms that are a cinch to fill out and let you pinpoint your searches.