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.

Lookout: Mobile Security Picks Up Funding Steam

Wireless security specialist Lookout Mobile Security has returned to the funding well, scooping up $19.5 million in Series C funding. As part of the latest round, Index Ventures is adding its name to the roster of backers, with partner Mike Volpi joining Lookout’s board.

Using the Web-based Microsoft Office on the iPad

Walt answers readers’ questions about using the new Web-based version of Microsoft Office on the iPad, the HTC Evo 4G and online backup services.

Using the iPad for School and Updating the Droid Incredible

Walter Mossberg answers readers’ questions on using the iPad for schoolwork and the updating the Droid Incredible.

Sprint 4G Phone Hits New Speeds, but Battery Lags

The EVO 4G has a front-facing camera for video chatting, can serve as a Wi-Fi hotspot and offers the highest consistent downstream data speeds around—until the battery runs out.

Accel Keeps Its Wallet Open: Lookout Grabs $11 Million in Funding and Adds Execs

Accel Partners has been pretty busy handing over giant wads of dough to start-ups this week–and today is focusing its largess on San Francisco-based Lookout, a smartphone security provider. The Palo Alto, Calif.-based venture firm will be the lead investor in an $11 million Series B funding round for Lookout, which offers solutions to protect phones from malware and viruses, back up and restore valuable data and help users find their phones in the event they are lost or stolen.