As Mapping Costs Rise, Waze’s Volunteer Army Will Give It an Edge (Video)

Does Google have 44 million robotic cars prowling the roads?

Google Brings Free Wi-Fi to Its Section of Manhattan

Southwest Chelsea is now Googleville.

It’s Official: The Era of the Personal Computer Is Over

Long live personal computing.

Can You Guess the Super-Short Domain Name HP Just Registered for Gram?

A new detail about the stealthy new subsidiary formerly known as Palm.

Google to Oracle: If You Win This Patent Suit, We’ll Cut You in on Android

Oracle’s reply: It isn’t enough.

Movable Internet Service

Walt answers a reader’s question on using a smartphone’s hot spot to replace an Internet service.

Verizon iPhone and Android World Phones

Walt answers readers’ questions on the Verizon iPhone and Android world phones.

Verizon Beats AT&T in Voice Calls for iPhones

Some major benefits of the new Verizon iPhone service include crisp, clear calls with relatively few drops. But AT&T offers faster data downloads.

In 4G Race, Verizon Pulls Ahead With Pricey Speed

Verizon Wireless’s new 4G network is “wicked fast” but potentially costly, writes Walt.

What’s In Store for Technology in 2011

Walt looks at the products and competitive positions of key contenders as they enter a new year.