Matt Hamblen

Senior Editor

Matt Hamblen covers mobile and wireless, smartphones and other handhelds, and wireless networking for Computerworld.

Los Angeles tests gunshot sensors on light poles

Los Angeles tests gunshot sensors on light poles

Los Angeles is testing sensors attached to streetlights to wirelessly detect gunshots and other noises, and may expand the service to include sensors to recognize air pollution and earthquakes.

Better smartphone cameras on the way

Better smartphone cameras on the way

Improvements to cameras, photos and video in smartphones are among the biggest lures for buyers, and several smartphone manufacturers at Mobile World Congress announced camera innovations designed to meet that demand.

MWC protest asks about the fate of 4 million recalled Note7 batteries

MWC protest asks about the fate of 4 million recalled Note7 batteries

The environmental group more broadly is raising questions about the enormous amount of energy used to make smartphones since 2007 and the significant contribution batteries make to electronic waste.

Classic smartphone brands get a spring in their step at MWC (+video)

Classic smartphone brands get a spring in their step at MWC (+video)

Venerable smartphone brands Motorola, Nokia and BlackBerry got new life at Mobile World Congress 2017, but that was primarily due to the influence of Chinese and Finnish manufacturers that have licensed the names.

Mobile World Congress 2017 offered a touch of tech optimism

Mobile World Congress 2017 offered a touch of tech optimism

This year's Mobile World Congress 2017 in Barcelona offered all the usual delights, but this year was a little different, almost odd, when compared with previous visits.

Moscow’s smart tech includes 160,000 outdoor cameras

Moscow’s smart tech includes 160,000 outdoor cameras

Moscow now has one of the largest municipal camera installations in Europe, a system that is already generating revenue from increased fines for traffic violations.

Here’s a new way to prevent cyberattacks on home devices

Here’s a new way to prevent cyberattacks on home devices

Homeowners worried about cybersecurity attacks on IP-connected devices like lights, baby monitors, home security systems and cameras, will soon be able to take advantage of a $200 network monitoring device called Dojo.

Visa, Mastercard beef up mobile payment tech at Mobile World Congress

Visa, Mastercard beef up mobile payment tech at Mobile World Congress

Visa on Monday announced one of the most unusual approaches, one that relies primarily on older QR code technology through its mVisa payment service.

Smart cities at the center of Mobile World Congress

Smart cities at the center of Mobile World Congress

The city of San Diego has a project to equip 3,200 streetlights with LED lighting and sensors, expected to bring a $2.4 million reduction in energy usage annually.

Battery safety still top of mind for Samsung and other phone makers

Battery safety still top of mind for Samsung and other phone makers

A special battery advisory group has been created with staff that includes academic expertise.

Huawei showcases new phones in Barcelona, gets mobbed by eager crowds

Huawei showcases new phones in Barcelona, gets mobbed by eager crowds

At a preview event at this year's MWC on Sunday, Huawei launched the P10 and P10 Plus smartphones, and drew big crowds.

LG launches G6 with 5.7-in. display in narrow body (+ video)

LG launches G6 with 5.7-in. display in narrow body (+ video)

LG on Sunday introduced the G6 smartphone with a 5.7-in. display in a new 18:9 aspect ratio designed to enhance videos and game play.

Back to the future: BlackBerry KEYone launches with physical keyboard

Back to the future: BlackBerry KEYone launches with physical keyboard

Under a licensing deal with BlackBerry, TCL Communication of China announced another physical keyboard smartphone model called the BlackBerry KEYone.

Verizon ranks tops in wireless coverage and reliability by RootMetrics

Verizon ranks tops in wireless coverage and reliability by RootMetrics

Verizon benefited from its LTE-Advanced service started in summer of 2016, which provided a significant boost to Verizon's download speeds, RootMetrics said in its report.

New and old brands to debut Android smartphones at MWC

New and old brands to debut Android smartphones at MWC

Several new high-profile Android smartphones are expected to launch this weekend in advance of Mobile World Congress, which opens Monday in Barcelona.

Columbus, Ohio, region boosts smart mobility research

Columbus, Ohio, region boosts smart mobility research

One focus will be on developing universal standards for wireless communications between vehicles and sensors on traffic signals, highway lanes and other road infrastructure.

Experts warn businesses not to over-buy on unlimited data plans

Experts warn businesses not to over-buy on unlimited data plans

Smaller businesses that think they could benefit from an unlimited plan from wireless carriers need to calculate their costs carefully.

'Fileless malware' attacks, used on banks, have been around for years

'Fileless malware' attacks, used on banks, have been around for years

Fileless malware attacks, which were recently discovered in the networks of at least 140 banks, telecoms and governments, account for about 15% of known attacks today and have been around for years.

IT and C-level leaders point fingers at each other over cyber defense

IT and C-level leaders point fingers at each other over cyber defense

C-level execs need to bring themselves up to speed on cyber threats, some analysts say.

Kansas City rolls out online map using traffic, parking data from sensors

Kansas City rolls out online map using traffic, parking data from sensors

One of the trickiest parts of proving the value of emerging smart city technology is showing how city residents could benefit from data being picked up by sensors located on light poles and along streets.

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