Stephen LawsonSenior U.S. Correspondent, IDG News Service

Stephen Lawson covers mobile, storage, and networking technologies for the IDG News Service, and is based in San Francisco.

Australia's iPad problem exposes LTE roaming challenge

The controversy over Apple's third-generation iPad not working on Australian LTE networks may be just one sign of problems ahead for international LTE roaming.

Cell-to-Wi-Fi roaming is on the way, but may come with a price

Getting your phone onto Wi-Fi networks may get a lot easier starting in about a year, but it won't necessarily get cheaper.

Lawmakers want Apple to brief them on iOS app privacy

Two U.S. lawmakers on Wednesday asked Apple representatives to brief members of the House Energy and Commerce Committee on the company's mobile privacy policies, saying a letter from Apple did not answer all of their questions.

Facebook pushes for HTML5 standards, mobile payments

Facebook is working with mobile operators to make phone-based payments easier and has launched an effort to standardize HTML5.

Wi-Fi Passpoint standard could end hotspot sign-on hassles

The Wi-Fi Alliance will launch a program to simplify the use of Wi-Fi hotspots in July, making it easier for both users and mobile operators to get off strained cellular networks.

Cisco to appeal Microsoft-Skype deal in European court

Cisco will appeal the European Commission's approval of Microsoft's US$8.5 billion Skype acquisition, saying the agency should demand that the companies make service more interoperable with other platforms.

Cisco aims Wi-Fi access point at iPad profusion

Cisco Systems developed its latest enterprise access point with corporate bring-your-own-device policies in mind, aiming to give tablets and smartphones strong and consistent performance.

Twitter's country-specific blocking brings hazards and hope

Twitter's move to comply with government requests and block tweets in specific countries could blunt its edge as a political tool, but there may be an upside in helping to unmask censorship, some privacy experts say.

Twitter can now block tweets in specific countries

Twitter can now remove tweets from users' feeds in specific countries while keeping them visible elsewhere.

Google to combine users' data across its services

Google will be able to combine data from several Google services when a Google Accounts user is signed in, as part of a rewritten set of privacy policies that the company announced this week.

IPv6 doomsday won't hit in 2012, experts say

Next year will see one more regional Internet registry run out of IPv4 addresses, but 2012 will be more of a year to prepare for the inevitable shift to IPv6, according to networking experts.

AT&T to give T-Mobile spectrum, roaming deal

T-Mobile USA will receive spectrum licenses in 128 U.S. markets and a seven-year roaming agreement, in addition to $3 billion cash, after AT&T dropped its deal to merge with T-Mobile.

Apple wins import block on some HTC devices

The U.S. International Trade Commission will block the importation of some HTC products starting next April 19, after it found that the company infringed Apple patents.

Safety agency: Ban all electronics for drivers

The U.S. National Transportation Safety Board recommended on Tuesday that states outlaw the use of all electronic devices, while driving, including cellphones with hands-free kits.

PhoneFactor delivers iOS app for authentication

PhoneFactor, an authentication system that uses mobile phones as a second factor for improved security, is now available as an app for Apple's iPhone and iPad.